SecuriTricks - credential harvesting

Investigating Iranian Intrusion into Strategic Middle East Critical Infrastructure

This report details a prolonged Iranian state-sponsored intrusion into critical national infrastructure in the Middle East from May 2023 to February 2025. The threat actors employed various tactics including web shells, custom malware, and legitimate tools to maintain persistent access across multi…

apt

credential harvesting

critical infrastructure

Published: May 6, 2025

Downloadable IOCs: 35

I StealC You: Tracking the Rapid Changes To Steal

StealC V2, introduced in March 2025, is an enhanced version of the popular information stealer and malware downloader. Key updates include a streamlined JSON-based C2 communication protocol with RC4 encryption, expanded payload delivery options (MSI packages and PowerShell scripts), and a redesigne…

obfuscation

amadey

credential harvesting

Published: May 2, 2025

Downloadable IOCs: 0

Smishing Attacks Rise: How to Spot and Stop SMS Phishing

SMS-based phishing attacks, known as smishing, are on the rise, targeting businesses with sophisticated social engineering tactics. These attacks often begin with urgent text messages containing disguised links, redirecting victims to fake login pages. Attackers exploit human emotions and create a …

social engineering

credential harvesting

smishing

2025-04-28

Published: April 28, 2025

Downloadable IOCs: 0

Ransomware Initial Access Brokers Exposed

An investigation into a brute force attack on an exposed Remote Desktop server led to the discovery of a larger ransomware ecosystem, particularly initial access brokers. The attack began with domain enumeration and successful compromise of an account from multiple IP addresses. The threat actor's …

ransomware

credential harvesting

initial access brokers

2025-04-11

hive

domain enumeration

Published: April 11, 2025

Downloadable IOCs: 0

Evolution of Sophisticated Phishing Tactics: The QR Code Phenomenon

Since late 2024, attackers have employed new tactics in phishing documents containing QR codes. These include concealing final phishing destinations using legitimate websites' redirection mechanisms and adopting Cloudflare Turnstile for user verification. Some phishing sites specifically target cre…

phishing

social engineering

credential harvesting

business email compromise

Published: April 1, 2025

Downloadable IOCs: 57

Analysis of a JavaScript-based Phishing Campaign Targeting Microsoft 365 Credentials

A sophisticated JavaScript-based credential harvesting campaign has been discovered, utilizing fake voicemail notifications to capture Microsoft 365 credentials. The attackers employ HTML smuggling, obfuscation, and encryption techniques to evade detection. The phishing emails contain PDF attachmen…

phishing

credential harvesting

Published: March 4, 2025

Downloadable IOCs: 0

Security Brief: Threat Actors Take Taxes Into Account

Proofpoint researchers have identified an increase in campaigns and malicious domains impersonating tax agencies and financial organizations. This aligns with the annual increase in tax-related content observed from December through April. Phishing lures impersonate government agencies and financia…

credential harvesting

metastealer

zgrat

malware delivery

government impersonation

Published: January 28, 2025

Downloadable IOCs: 0

Effective Phishing Campaign Targeting European Companies and Institutions

A sophisticated phishing operation targeting European automotive, chemical, and industrial manufacturing companies has been uncovered. The campaign, which peaked in June 2024, used HubSpot Free Form Builder and Docusign-enabled PDFs to harvest account credentials and infiltrate Microsoft Azure clou…

phishing

persistence

credential harvesting

Published: December 18, 2024

Downloadable IOCs: 50

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

Investigating a SharePoint Compromise: IR Tales from the Field

An incident response investigation uncovered an attacker who exploited a SharePoint vulnerability (CVE-2024-38094) to gain initial access. The attacker remained undetected for two weeks, moving laterally across the network and compromising the entire domain. Key tactics included installing Horoung …

credential harvesting

fast reverse proxy (frp)

Published: November 5, 2024

Downloadable IOCs: 8

Analyzing the familiar tools used by the Crypt Ghouls hacktivists

The Crypt Ghouls group is targeting Russian businesses and government agencies with ransomware attacks. They utilize a toolkit including utilities like Mimikatz, XenAllPasswordPro, PingCastle, and others. The group employs LockBit 3.0 and Babuk ransomware as final payloads. Initial access is often …

credential harvesting

Published: October 18, 2024

Downloadable IOCs: 1

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

New RansomHub attack uses TDSKiller and LaZagne, disables EDR

A recent analysis by the ThreatDown MDR team has uncovered a novel attack method employed by the RansomHub ransomware gang. The attackers are utilizing two tools: TDSSKiller, a legitimate Kaspersky rootkit removal utility, to disable endpoint detection and response (EDR) systems, and LaZagne, a cre…

ransomware

credential harvesting

Published: September 11, 2024

Downloadable IOCs: 2

Chat Messenger voting topics - a new way to steal accounts is gaining momentum

The Government Emergency Response Team of Ukraine CERT-UA informs about the increase in the number of cyberattacks aimed at gaining access to the accounts of popular messengers, including, using the techniques of bypassing two-factor authentication

phishing

credential harvesting

2024-05-31

Published: May 31, 2024

Downloadable IOCs: 230

CVE-2024-4978: Backdoored Justice AV Solutions Viewer Software Used in Apparent Supply Chain Attack

Rapid7 discovered that version 8.3.7 of the JAVS Viewer software from Justice AV Solutions contained a backdoor installer allowing attackers to gain remote control over affected systems. The malicious installer included a binary named fffmpeg.exe which executed obfuscated PowerShell scripts and fac…

credential harvesting

Published: May 24, 2024

Linked vulnerabilities : CVE-2024-4978 (CVSS 8.4)

Downloadable IOCs: 10

Tag: credential harvesting

Attack reports

Cyber Attacks on Government Agencies: Detect and Investigate

How Adversary Telegram Bots Help to Reveal Threats: Case Study

Shared SSH Keys Expose Phishing Infrastructure Targeting Kuwait

TA406 Pivots to the Front

Investigating Iranian Intrusion into Strategic Middle East Critical Infrastructure

I StealC You: Tracking the Rapid Changes To Steal

Smishing Attacks Rise: How to Spot and Stop SMS Phishing

Ransomware Initial Access Brokers Exposed

Evolution of Sophisticated Phishing Tactics: The QR Code Phenomenon

Analysis of a JavaScript-based Phishing Campaign Targeting Microsoft 365 Credentials

Security Brief: Threat Actors Take Taxes Into Account

Effective Phishing Campaign Targeting European Companies and Institutions

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

Investigating a SharePoint Compromise: IR Tales from the Field

Analyzing the familiar tools used by the Crypt Ghouls hacktivists

Nitrogen Campaign Drops Sliver and Ends With BlackCat Ransomware

New RansomHub attack uses TDSKiller and LaZagne, disables EDR

Chat Messenger voting topics - a new way to steal accounts is gaining momentum

CVE-2024-4978: Backdoored Justice AV Solutions Viewer Software Used in Apparent Supply Chain Attack