SecuriTricks - data exfiltration

SOC files: an APT41 attack on government IT services in Africa

Chinese cyberespionage group APT41 conducted a targeted attack against government IT services in Africa. The attackers used various tools including Impacket, Cobalt Strike, and custom malware for lateral movement, privilege escalation, and data exfiltration. They leveraged DLL sideloading technique…

cobalt strike

government

dll sideloading

africa

credential harvesting

Published: July 21, 2025

Downloadable IOCs: 0

Getting to the Crux (Ransomware) of the Matter

A new ransomware variant named Crux has been identified, claiming association with the BlackByte group. Observed in three separate incidents, Crux encrypts files with a .crux extension and leaves ransom notes. Initial access appears to involve Remote Desktop Protocol (RDP) using valid credentials. …

Published: July 21, 2025

Downloadable IOCs: 3

Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

A financially-motivated threat actor, UNC6148, is targeting fully patched end-of-life SonicWall SMA 100 series appliances. They are using stolen credentials and OTP seeds from previous intrusions to regain access. The actor has deployed a new persistent backdoor/user-mode rootkit called OVERSTEP, w…

Published: July 18, 2025

Linked vulnerabilities : CVE-2025-32819 (CVSS 8.8), CVE-2021-20039, CVE-2023-44221, CVE-2021-20035, CVE-2024-38475, CVE-2021-20038

Downloadable IOCs: 4

Spyware Targets Employees via Weaponized Word Documents Delivering Malware Payloads

An unidentified spyware called Batavia has been targeting Russian industrial organizations since July 2024 through a sophisticated phishing operation. The campaign uses bait emails disguised as contract agreements to trick employees into downloading malicious scripts, initiating a multi-stage infec…

persistence mechanisms

russian targets

vbs scripts

delphi executable

Published: July 9, 2025

Downloadable IOCs: 2

Hide Your RDP: Password Spray Leads to RansomHub Deployment

This report details a cyberattack where threat actors gained initial access through a password spray attack on an exposed RDP server. They used Mimikatz and Nirsoft for credential harvesting, and employed living-off-the-land techniques along with tools like Advanced IP Scanner for network discovery…

Published: June 30, 2025

Downloadable IOCs: 9

Strategic Pivot: From Browser Stealer to Data Exfiltration Platform During Critical Ukraine Negotiations

The cyber-espionage group UAC-0226 has significantly evolved its GIFTEDCROOK malware from a basic browser data stealer to a robust intelligence-gathering tool. Three versions were identified between April-June 2025, with the latest iterations capable of exfiltrating a wide range of sensitive docume…

Published: June 27, 2025

Linked vulnerabilities : CVE-2025-5777 (CVSS 9.3)

Downloadable IOCs: 11

Caught in the Act: Uncovering SpyNote in Unexpected Places

Multiple samples of SpyNote, a sophisticated Android spyware, were discovered in open directories, disguised as legitimate apps like Google Translate, Temp Mail, and Deutsche Postbank. The malware exploits accessibility services and device administrator privileges to steal sensitive information fro…

accessibility services

2025-06-20

device administrator

malicious apps

Published: June 20, 2025

Downloadable IOCs: 2

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

A sophisticated variant of the Masslogger credential stealer malware has been identified spreading through .VBE files. This multi-stage fileless malware heavily relies on Windows Registry to store and execute its malicious payload. The infection begins with a .VBE file, likely distributed via spam …

Published: June 18, 2025

Downloadable IOCs: 1

Clone, Compile, Compromise: Open-Source Malware Trap on GitHub

A newly identified threat actor, Water Curse, is exploiting GitHub to deliver weaponized repositories containing multistage malware. The group has been linked to at least 76 GitHub accounts, targeting cybersecurity professionals, game developers, and DevOps teams. Their malware enables data exfiltr…

Published: June 16, 2025

Downloadable IOCs: 0

Understanding CyberEYE RAT Builder: Capabilities and Implications

CyberEye is a modular, .NET-based Remote Access Trojan that utilizes Telegram for Command and Control, eliminating the need for attackers to maintain their own infrastructure. It offers a wide array of surveillance and data theft capabilities, including keylogging, file grabbing, and clipboard hija…

windows defender evasion

telegramrat

Published: June 13, 2025

Downloadable IOCs: 0

Operation Sindoor – Anatomy of a Digital Siege

Operation Sindoor, a coordinated cyber campaign targeting critical Indian sectors, involved state-sponsored APT activity and hacktivist operations. The campaign utilized spear phishing, malicious scripts, website defacements, and data leaks. APT36, a Pakistan-aligned threat group, deployed advanced…

Published: June 4, 2025

Downloadable IOCs: 0

PyPI Supply Chain Attack Uncovered: Colorama and Colorizr Name Confusion

A malicious package campaign targeting Python and NPM users on Windows and Linux has been discovered. The attack uses typo-squatting and name-confusion tactics against the popular colorama Python package and the similar colorizr JavaScript package. Multiple packages with risky payloads were uploade…

Published: June 2, 2025

Downloadable IOCs: 2

Chasing Eddies: New Rust-based InfoStealer used in CAPTCHA campaigns

A novel Rust-based infostealer called EDDIESTEALER has been discovered, distributed through fake CAPTCHA campaigns. The malware uses deceptive verification pages to trick users into executing a malicious PowerShell script, which deploys the infostealer. EDDIESTEALER targets sensitive data including…

Published: May 29, 2025

Downloadable IOCs: 27

Russian Unit 26165 Targets Western Logistics and Technology Companies

Chihuahua Infostealer is a sophisticated .NET-based malware discovered in April 2025, targeting browser credentials and cryptocurrency wallet data. It employs multi-stage delivery through obfuscated PowerShell scripts, often using trusted platforms like Google Drive for initial distribution. The ma…

chihuahua infostealer

browser-data-theft

.net-malware

Published: May 27, 2025

Downloadable IOCs: 10

China-Nexus Threat Actor Actively Exploiting Ivanti Endpoint Manager Mobile (CVE-2025-4428) Vulnerability

A critical vulnerability in Ivanti Endpoint Manager Mobile (EPMM) is being actively exploited by a China-nexus threat actor, UNC5221. The exploitation targets internet-facing EPMM deployments across various sectors including healthcare, telecommunications, and government. The attackers utilize unau…

Published: May 21, 2025

Linked vulnerabilities : CVE-2025-22457 (CVSS 9.0), CVE-2025-31324 (CVSS 10.0), CVE-2025-4428, CVE-2025-4427

Downloadable IOCs: 12

New Nitrogen Ransomware Targets Financial Firms in the US, UK and Canada

Nitrogen, a new ransomware strain identified in September 2024, has become a significant threat to organizations worldwide, particularly in the financial sector. It encrypts critical data and demands substantial payments for decryption, targeting industries such as finance, construction, manufactur…

Published: May 20, 2025

Downloadable IOCs: 2

Operation RoundPress targeting high-value webmail servers

ESET researchers have uncovered a Russia-aligned espionage operation named RoundPress, targeting high-value webmail servers through XSS vulnerabilities. The campaign, attributed to the Sednit group, aims to steal confidential data from specific email accounts. Initially focused on Roundcube in 2023…

Published: May 18, 2025

Linked vulnerabilities : CVE-2024-27443, CVE-2024-11182 (CVSS 6.1), CVE-2020-35730, CVE-2023-23397, CVE-2023-43770

Downloadable IOCs: 16

Marbled Dust leverages zero-day in Output Messenger for regional espionage

A Türkiye-affiliated espionage threat actor, Marbled Dust, has been exploiting a zero-day vulnerability in Output Messenger since April 2024. The attacks target Kurdish military entities in Iraq, allowing the actor to deliver malicious files and exfiltrate data. The exploit involves a directory tra…

Published: May 13, 2025

Linked vulnerabilities : CVE-2025-27920 (CVSS 9.8), CVE-2025-27921 (CVSS 6.1)

Downloadable IOCs: 3

Earth Kurma APT Campaign Targets Southeast Asian Government, Telecom Sectors

An APT group named Earth Kurma is actively targeting government and telecommunications organizations in Southeast Asia, particularly in the Philippines, Vietnam, Thailand, and Malaysia. The campaign, which dates back to November 2020, employs advanced custom malware, rootkits, and cloud storage ser…

Published: May 1, 2025

Downloadable IOCs: 58

HANNIBAL Stealer: A Rebranded Threat Born from Sharp and TX Lineage

The Hannibal Stealer is a sophisticated information stealer targeting Chromium and Gecko-based browsers, developed in C# and operating on the .NET Framework. It bypasses Chrome Cookie V20 protection and steals data from cryptocurrency wallets, FTP clients, VPNs, and messaging apps. The malware perf…

Published: April 30, 2025

Downloadable IOCs: 4

Gremlin Stealer: New Stealer on Sale in Underground Forum

A new information-stealing malware called Gremlin Stealer, written in C#, has been identified by researchers. Advertised on Telegram since March 2025, it targets a wide range of data including browser information, crypto wallets, FTP and VPN credentials. The malware exfiltrates stolen data to a web…

Published: April 29, 2025

Downloadable IOCs: 2

FOG Ransomware Spread by Cybercriminals Claiming Ties to DOGE

An investigation of nine malware samples revealed FOG ransomware being distributed by cybercriminals impersonating the Department of Government Efficiency (DOGE). The ransomware, spread via email and phishing attacks, is concealed in a ZIP file named 'Pay Adjustment.zip'. The infection chain involv…

Published: April 21, 2025

Downloadable IOCs: 6

Newly Registered Domains Distributing SpyNote Malware

Cybercriminals are employing deceptive websites on newly registered domains to distribute AndroidOS SpyNote malware. These sites imitate the Google Chrome install page on the Google Play Store, tricking users into downloading SpyNote, a powerful Android remote access trojan. SpyNote is used for sur…

Published: April 15, 2025

Downloadable IOCs: 0

APT Targets South Korea with Deceptive PDF Lures

The Kimsuky APT group, also known as Black Banshee, has been actively targeting South Korean government entities using evolving tactics. Two distinct campaigns were uncovered, both utilizing government-themed PDF documents as lures. The infection chain begins with a phishing email containing a mali…

Published: April 4, 2025

Downloadable IOCs: 0

Analysis of New Mobile Banking Malware

Salvador Stealer is a newly discovered Android malware that poses as a banking application to steal sensitive user information. It employs a multi-stage attack chain, utilizing a dropper APK to install the main payload. The malware incorporates a phishing website within the app to collect personal …

Published: April 1, 2025

Downloadable IOCs: 0

Analysis of Konni RAT: Stealth, Persistence, and Anti-Analysis Techniques

Konni RAT, a sophisticated remote access Trojan targeting Windows systems, employs a multi-stage attack process using batch files, PowerShell scripts, and VBScript. It exploits Windows Explorer limitations, obfuscates file paths, dynamically generates URLs, and uses temporary files to erase activit…

Published: April 1, 2025

Downloadable IOCs: 0

SVC New Stealer on the Horizon

SvcStealer 2025 is a newly discovered information stealer malware distributed through spear phishing emails. It targets sensitive data including machine information, installed software, user credentials, cryptocurrency wallets, and browser data. The malware creates a unique folder, terminates speci…

Published: March 21, 2025

Downloadable IOCs: 0

New Ransomware Operator Exploits Fortinet Vulnerability Duo

A new ransomware operator, dubbed Mora_001, has been exploiting Fortinet firewall vulnerabilities CVE-2024-55591 and CVE-2025-24472 to gain unauthorized access and deploy a modified version of LockBit ransomware. The threat actor creates persistent admin accounts, exfiltrates firewall configuration…

Published: March 14, 2025

Downloadable IOCs: 23

Malicious Packages Identified in the Wild: Insights and Trends from November 2024 Onward

FortiGuard Labs has analyzed malicious software packages detected from November 2024 to March 2025, revealing various attack techniques used to exploit system vulnerabilities. Key findings include 1,082 packages with low file counts, 1,052 packages with suspicious install scripts, and 1,043 package…

vulnerability exploitation

2025-03-10

install scripts

software packages

Published: March 10, 2025

Downloadable IOCs: 11

Zhong Stealer Analysis: New Malware Targeting Fintech and Cryptocurrency

A new malware called Zhong Stealer has been identified targeting the cryptocurrency and fintech sectors through a phishing campaign. The attackers exploited chat support platforms, posing as customers to trick agents into downloading the malware. Zhong Stealer's execution flow involves multiple sta…

Published: February 18, 2025

Downloadable IOCs: 5

CL0P Ransomware: Latest Attacks

The Cl0p ransomware group has recently targeted 43 organizations across various industries, with a focus on Manufacturing, Retail, and Transportation sectors. The majority of victims are located in the US, Canada, and Europe. The attackers likely exploited the Cleo vulnerability (CVE-2024-50623) fo…

Published: February 12, 2025

Linked vulnerabilities : CVE-2024-50623 (CVSS 8.8)

Downloadable IOCs: 6

Blast from the Past

A large-scale campaign targeting Russian organizations across various industries has been detected. The attackers are using NOVA stealer, a commercial fork of SnakeLogger, distributed via phishing emails disguised as contract archives. NOVA, marketed as Malware-as-a-Service, is capable of stealing …

Published: February 5, 2025

Downloadable IOCs: 1

Stealers on the Rise: A Closer Look at a Growing macOS Threat

This analysis examines the increasing prevalence of macOS infostealers, focusing on three prominent threats: Atomic Stealer, Poseidon Stealer, and Cthulhu Stealer. These malware variants target sensitive information, including financial details, credentials, and intellectual property. The article d…

Published: February 4, 2025

Downloadable IOCs: 26

Analysis of Astral Stealer

Astral Stealer v1.8 is a powerful malware tool coded in Python, C#, and JavaScript, designed for data theft and crypto wallet exploitation. It targets gaming accounts, browser credentials, and cryptocurrency wallets while employing anti-debugging and VM bypass techniques. The stealer offers advance…

Published: January 31, 2025

Downloadable IOCs: 3

Operation Phantom Circuit: North Korea's Global Data Exfiltration Campaign

In December 2024, the Lazarus Group, a North Korean threat actor, launched a sophisticated global campaign targeting cryptocurrency and technology developers. The operation, code-named 'Phantom Circuit,' involved embedding malware into trusted development tools, compromising hundreds of victims wor…

north korea

cryptocurrency

data exfiltration

software supply chain

command-and-control

2025-01-30

phantom circuit

Published: January 30, 2025

Downloadable IOCs: 13

Analysis of Interlock Ransomware Attack on Healthcare Facilities

The Interlock ransomware group has been actively targeting healthcare facilities in the United States, causing significant disruptions and exposing sensitive patient data. The attacks involve drive-by compromise techniques, using fake software updaters to deploy malware. The group employs double-ex…

Published: January 28, 2025

Downloadable IOCs: 0

Investigating A Web Shell Intrusion With Managed XDR

This analysis details a web shell intrusion incident where attackers exploited an IIS worker to exfiltrate data. The attacker uploaded a web shell, created a new account for persistence, modified an existing user's password, and used encoded PowerShell commands to establish a reverse TCP shell for …

Published: January 15, 2025

Downloadable IOCs: 0

Cyberhaven’s preliminary analysis of the recent malicious Chrome extension

A phishing attack on December 24th, 2024 compromised a Cyberhaven employee's access to the Google Chrome Web Store, leading to the publication of a malicious version of their Chrome extension. This was part of a larger campaign targeting Chrome Extension developers, primarily aiming at Facebook Ads…

Published: January 2, 2025

Downloadable IOCs: 5

NotLockBit: A Deep Dive Into the New Ransomware Threat

NotLockBit is an emerging ransomware family that mimics LockBit's behavior while targeting both macOS and Windows systems. Distributed as an x86_64 golang binary, it showcases advanced capabilities including targeted file encryption, data exfiltration, and self-deletion mechanisms. The malware gath…

Published: December 19, 2024

Downloadable IOCs: 5

Python-Based NodeStealer Version Targets Facebook Ads Manager

The latest variant of NodeStealer has evolved from JavaScript to Python, expanding its data theft capabilities. Trend Micro's MXDR team uncovered this advanced version in a campaign targeting a Malaysian educational institution, linked to a Vietnamese threat group. The malware now targets Facebook …

Published: December 19, 2024

Downloadable IOCs: 5

Earth Koshchei Coopts Red Team Tools in Complex RDP Attacks

Earth Koshchei, an APT group suspected to be sponsored by the Russian SVR, executed a large-scale rogue RDP campaign targeting high-profile sectors. The attack methodology involved spear-phishing emails, red team tools, and sophisticated anonymization techniques. The campaign used an RDP relay, rog…

python remote desktop protocol mitm tool (pyrdp)

roguerdp

tor exit nodes

Published: December 17, 2024

Downloadable IOCs: 421

End-of-Year PTO: Days Off and Data Exfiltration with Formbook

A phishing campaign disguised as an end-of-year leave approval notice has been intercepted by the Cofense Phishing Defense Center. The malicious email, masquerading as HR communication, tricks recipients into clicking a link that leads to the deployment of FormBook malware. The email contains red f…

phishing

autoit

credential harvesting

Published: December 6, 2024

Downloadable IOCs: 0

Credit Card Skimmer Malware Targeting Magento Checkout Pages

A sophisticated credit card skimmer malware has been discovered targeting Magento-powered eCommerce websites, specifically their checkout processes. The malware dynamically creates a fake credit card form or extracts payment fields, activating only on checkout pages. It uses advanced obfuscation te…

Published: November 27, 2024

Downloadable IOCs: 0

Threat Campaign Targeting Palo Alto Networks Firewall Devices Observed

Arctic Wolf has identified multiple intrusions across various industries involving Palo Alto Network firewall devices. The attacks likely exploit recently disclosed PAN-OS vulnerabilities CVE-2024-0012 and CVE-2024-9474 for initial access. Affected devices downloaded payloads including the Sliver C…

xmrig

data exfiltration

vulnerability exploitation

Published: November 25, 2024

Downloadable IOCs: 14

Threat Assessment: Distributors of BlackSuit Ransomware

Ignoble Scorpius, previously known as Royal ransomware, has rebranded as BlackSuit ransomware and increased its activity since March 2024. The group has targeted at least 93 victims globally, with a focus on the construction and manufacturing industries. Their initial ransom demands average 1.6% of…

Published: November 20, 2024

Downloadable IOCs: 2

Helldown Ransomware: an overview of this emerging threat

Helldown is a new and highly active ransomware group that has claimed 31 victims in three months. It employs custom ransomware for Windows and Linux systems, engages in double extortion, and exploits vulnerabilities in Zyxel firewalls for initial access. The group exfiltrates large volumes of data,…

Published: November 20, 2024

Downloadable IOCs: 0

The State of Cloud Ransomware in 2024

Cloud ransomware attacks are evolving, primarily targeting storage services like Amazon S3 and Azure Blob Storage. Attackers exploit misconfigurations or use stolen credentials to access and encrypt data. Cloud service providers have implemented security measures, such as AWS's 7-day key deletion w…

web application attacks

identity management

kms

Published: November 14, 2024

Downloadable IOCs: 0

Increased Fog and Akira Ransomware Activity Linked to SonicWall SSL VPN

Since early August, there has been a significant increase in Fog and Akira ransomware intrusions targeting SonicWall SSL VPN users across various industries. The attacks appear opportunistic rather than targeting specific sectors. All affected devices lacked patches for CVE-2024-40766. Initial acce…

Published: October 24, 2024

Linked vulnerabilities : CVE-2024-40766 (CVSS 9.8)

Downloadable IOCs: 16

Unmasking Lumma Stealer: Analyzing Deceptive Tactics with Fake CAPTCHA

Lumma Stealer, a sophisticated information-stealing malware, has evolved its tactics to employ fake CAPTCHA verification for payload delivery. The malware exploits legitimate software and uses multi-stage fileless techniques to evade detection. Its infection chain involves PowerShell scripts, proce…

Published: October 21, 2024

Downloadable IOCs: 23

Stealers on the rise: Kral, AMOS, Vidar and ACR

This intelligence report analyzes the increasing prevalence of information stealers, focusing on Kral, AMOS, Vidar, and ACR. Kral, delivered by its downloader, targets cryptocurrency wallets and browser data. AMOS, a macOS stealer, spreads through malvertising impersonating Homebrew. Vidar distribu…

Published: October 21, 2024

Downloadable IOCs: 0

Fake LockBit Real Damage Ransomware Samples Abuse AWS S3 to Steal Data

This report discusses malicious Golang ransomware samples that exploit Amazon S3's Transfer Acceleration feature to exfiltrate victims' data and upload it to attacker-controlled S3 buckets. The samples contained hard-coded AWS credentials linked to compromised accounts, allowing the researchers to …

Published: October 17, 2024

Downloadable IOCs: 39

From Perfctl to InfoStealer

A new stealthy Linux malware called perfctl has been analyzed. The malware runs two processes: perfctl and a disguised process mimicking known Linux processes. It uses Tor for external communications and local sockets for inter-process communication. After 30 minutes, the attacker drops scripts to …

Published: October 9, 2024

Downloadable IOCs: 3

Dark Angels Exposed

The Dark Angels ransomware group, active since April 2022, operates with sophisticated strategies targeting large companies for substantial ransom demands. They focus on stealthy attacks, avoiding outsourcing to third-party brokers. The group uses various ransomware payloads, including Babuk and Re…

Published: October 8, 2024

Downloadable IOCs: 0

No Way to Hide: Uncovering New Campaigns from Daily Tunneling Detection

This article analyzes four previously undisclosed DNS tunneling campaigns identified through a new campaign monitoring system. The system detects tunneling domains based on common techniques and attributes used in malicious campaigns. Four new campaigns were uncovered: FinHealthXDS (targeting finan…

covert communications

hiloti

finhealthxds

Published: October 5, 2024

Downloadable IOCs: 0

Separating the bee from the panda: CeranaKeeper making a beeline for Thailand

This intelligence report details a sophisticated malware campaign targeting multiple industries across various countries. The threat actor employs advanced tactics, techniques, and procedures (TTPs) to infiltrate networks, maintain persistence, and exfiltrate sensitive data. The malware used in thi…

social engineering

data exfiltration

advanced persistent threat

2024-10-03

custom malware

multi-industry targeting

persistence techniques

network infiltration

Published: October 3, 2024

Downloadable IOCs: 16

New Android Spyware Campaign Targets South Koreans via AWS

A sophisticated Android spyware campaign targeting South Koreans has been uncovered by Cyble Research and Intelligence Labs. Active since June 2024, the malware exploits an Amazon AWS S3 bucket as its Command and Control server to exfiltrate sensitive personal data including SMS messages, contacts,…

Published: October 1, 2024

Linked vulnerabilities : CVE-2024-21887, CVE-2023-46805, CVE-2021-44228, CVE-2017-11882, CVE-2024-21893

Downloadable IOCs: 7

Nitrogen Campaign Drops Sliver and Ends With BlackCat Ransomware

A BlackCat ransomware intrusion began with a Nitrogen malware campaign impersonating Advanced IP Scanner. The attackers used Sliver and Cobalt Strike beacons for post-exploitation, leveraging Python scripts for memory loading. They performed network enumeration using various tools and moved lateral…

credential harvesting

Published: October 1, 2024

Downloadable IOCs: 45

Storm-0501: Ransomware attacks expanding to hybrid cloud environments

Microsoft has observed Storm-0501, a financially motivated cybercriminal group, conducting multi-staged attacks targeting hybrid cloud environments. The group compromises on-premises networks, performs lateral movement to cloud environments, exfiltrates data, steals credentials, creates persistent …

Published: September 30, 2024

Linked vulnerabilities : CVE-2023-4966, CVE-2023-38203, CVE-2023-29300, CVE-2022-47966

Downloadable IOCs: 14

BLX STEALER

Identified as a sophisticated dropper binary designed to deploy an information stealer dubbed BLX Stealer or XLABB Stealer, this malware has been actively promoted on Telegram and Discord platforms. It targets credentials, browser data, cryptocurrency wallets, and other sensitive personal informati…

Published: September 11, 2024

Downloadable IOCs: 5

StopRansomware: RansomHub Ransomware

RansomHub is a ransomware-as-a-service variant that has targeted over 210 victims across various critical infrastructure sectors since February 2024. It employs a double-extortion model, encrypting systems and exfiltrating data. The ransom note provides victims with a client ID and instructions to …

ransomware-as-a-service

critical-infrastructure

CVE-2020-0787

lateral-movement

Published: August 30, 2024

Linked vulnerabilities : CVE-2020-1472, CVE-2023-46604, CVE-2023-22515, CVE-2020-0787, CVE-2017-0144, CVE-2023-3519, CVE-2023-27997, CVE-2023-48788, CVE-2023-46747

Downloadable IOCs: 14

Likely compromise of Taiwanese government-affiliated research institute with ShadowPad and Cobalt Strike

A government-affiliated Taiwanese research institute specializing in computing technologies experienced a cyber intrusion likely carried out by the Chinese hacking group APT41. The attackers employed ShadowPad malware, Cobalt Strike, and custom tools, exploiting vulnerabilities like CVE-2018-0824 f…

Published: August 2, 2024

Linked vulnerabilities : CVE-2018-0824

Downloadable IOCs: 13

Mint Stealer: A Comprehensive Study of a Python-Based Information Stealer

At Cyfirma, this report offers a comprehensive analysis of Mint Stealer, an information-stealing malware operating within a malware-as-a-service (MaaS) framework. Mint Stealer targets sensitive data and uses sophisticated techniques to evade detection. This in-depth study explores Mint Stealer's ev…

Published: July 31, 2024

Downloadable IOCs: 10

Kematian-Stealer: A Deep Dive into a New Information Stealer

This report provides an in-depth analysis of a newly discovered information stealer named Kematian-Stealer, actively developed on GitHub and distributed as open-source software. The malware employs various techniques to collect sensitive data from compromised systems, evade detection, and maintain …

Published: July 10, 2024

Downloadable IOCs: 4

BlackSuit Ransomware: Insights and Defense Strategies

This report provides an in-depth analysis of the BlackSuit ransomware, a threat that has been actively targeting various sectors since May 2023. It presents statistics from incident response engagements, explores the ransomware's behavior and technical analysis, and offers insights into the potenti…

Published: July 8, 2024

Downloadable IOCs: 8

Phishing Incident Report: Facts and Timeline

On June 18, 2024, an employee's account at ANY.RUN was compromised and used to carry out a phishing attack against the company's entire contact list. The initial compromise occurred on May 27 through an AiTM phishing campaign targeting the employee. Over the following weeks, the attacker maintained…

Published: June 25, 2024

Downloadable IOCs: 9

Tag: data exfiltration

Attack reports

SOC files: an APT41 attack on government IT services in Africa

Getting to the Crux (Ransomware) of the Matter

Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

Powerful MaaS On the Prowl for Credentials and Crypto Assets

A Hybrid Approach with Data Exfiltration and Encryption

Atomic macOS Stealer includes a backdoor for persistent access

Spyware Targets Employees via Weaponized Word Documents Delivering Malware Payloads

Hide Your RDP: Password Spray Leads to RansomHub Deployment

Strategic Pivot: From Browser Stealer to Data Exfiltration Platform During Critical Ukraine Negotiations

Caught in the Act: Uncovering SpyNote in Unexpected Places

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

Clone, Compile, Compromise: Open-Source Malware Trap on GitHub

Understanding CyberEYE RAT Builder: Capabilities and Implications

Operation Sindoor – Anatomy of a Digital Siege

PyPI Supply Chain Attack Uncovered: Colorama and Colorizr Name Confusion

Chasing Eddies: New Rust-based InfoStealer used in CAPTCHA campaigns

Russian Unit 26165 Targets Western Logistics and Technology Companies

China-Nexus Threat Actor Actively Exploiting Ivanti Endpoint Manager Mobile (CVE-2025-4428) Vulnerability

New Nitrogen Ransomware Targets Financial Firms in the US, UK and Canada

Operation RoundPress targeting high-value webmail servers

Marbled Dust leverages zero-day in Output Messenger for regional espionage

Earth Kurma APT Campaign Targets Southeast Asian Government, Telecom Sectors

HANNIBAL Stealer: A Rebranded Threat Born from Sharp and TX Lineage

Gremlin Stealer: New Stealer on Sale in Underground Forum

FOG Ransomware Spread by Cybercriminals Claiming Ties to DOGE

Newly Registered Domains Distributing SpyNote Malware

APT Targets South Korea with Deceptive PDF Lures

Analysis of New Mobile Banking Malware

Analysis of Konni RAT: Stealth, Persistence, and Anti-Analysis Techniques

SVC New Stealer on the Horizon

New Ransomware Operator Exploits Fortinet Vulnerability Duo

Malicious Packages Identified in the Wild: Insights and Trends from November 2024 Onward

Zhong Stealer Analysis: New Malware Targeting Fintech and Cryptocurrency

CL0P Ransomware: Latest Attacks

Blast from the Past

Stealers on the Rise: A Closer Look at a Growing macOS Threat

Analysis of Astral Stealer

Operation Phantom Circuit: North Korea's Global Data Exfiltration Campaign

Analysis of Interlock Ransomware Attack on Healthcare Facilities

Investigating A Web Shell Intrusion With Managed XDR

Cyberhaven’s preliminary analysis of the recent malicious Chrome extension

NotLockBit: A Deep Dive Into the New Ransomware Threat

Python-Based NodeStealer Version Targets Facebook Ads Manager

Earth Koshchei Coopts Red Team Tools in Complex RDP Attacks

End-of-Year PTO: Days Off and Data Exfiltration with Formbook

Credit Card Skimmer Malware Targeting Magento Checkout Pages

Threat Campaign Targeting Palo Alto Networks Firewall Devices Observed

Threat Assessment: Distributors of BlackSuit Ransomware

Helldown Ransomware: an overview of this emerging threat

The State of Cloud Ransomware in 2024

Increased Fog and Akira Ransomware Activity Linked to SonicWall SSL VPN

Unmasking Lumma Stealer: Analyzing Deceptive Tactics with Fake CAPTCHA

Stealers on the rise: Kral, AMOS, Vidar and ACR

Fake LockBit Real Damage Ransomware Samples Abuse AWS S3 to Steal Data

From Perfctl to InfoStealer

Dark Angels Exposed

No Way to Hide: Uncovering New Campaigns from Daily Tunneling Detection

Separating the bee from the panda: CeranaKeeper making a beeline for Thailand

New Android Spyware Campaign Targets South Koreans via AWS

Nitrogen Campaign Drops Sliver and Ends With BlackCat Ransomware

Storm-0501: Ransomware attacks expanding to hybrid cloud environments

BLX STEALER

StopRansomware: RansomHub Ransomware

Likely compromise of Taiwanese government-affiliated research institute with ShadowPad and Cobalt Strike

Mint Stealer: A Comprehensive Study of a Python-Based Information Stealer

Kematian-Stealer: A Deep Dive into a New Information Stealer

BlackSuit Ransomware: Insights and Defense Strategies

Phishing Incident Report: Facts and Timeline