SecuriTricks - windows

Latest Mustang Panda Arsenal: Toneshell, StarProxy, PAKLOG, CorKLOG, and SplatCloak

Mustang Panda, a threat actor group, has developed new tools including two keyloggers (PAKLOG and CorKLOG) and an EDR evasion driver (SplatCloak). PAKLOG monitors keystrokes and clipboard data, using a custom encoding scheme. CorKLOG captures keystrokes, encrypts data with RC4, and establishes pers…

windows

toneshell

Published: April 16, 2025

Downloadable IOCs: 23

Exploitation of CLFS zero-day leads to ransomware activity

A zero-day elevation of privilege vulnerability in Windows Common Log File System (CLFS) has been exploited against targets in IT, real estate, finance, software, and retail sectors across multiple countries. The exploit, deployed by PipeMagic malware and attributed to Storm-2460, enables privilege…

Published: April 9, 2025

Linked vulnerabilities : CVE-2025-24983 (CVSS 7.0), CVE-2025-29814 (CVSS 9.3), CVE-2025-29824 (CVSS 7.8)

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

TURNING AID INTO ATTACK: EXPLOITATION OF PAKISTAN’S YOUTH LAPTOP SCHEME TO TARGET INDIA

A Pakistan-based APT group, assessed with medium confidence as APT36, who created a fake IndiaPost website to target and infect both Windows and Android users.

Published: March 27, 2025

Downloadable IOCs: 5

CVE-2025-26633: How Water Gamayun Weaponizes MUIPath using MSC EvilTwin

Trend Research uncovered a campaign by the Russian threat actor Water Gamayun that exploits a zero-day vulnerability in the Microsoft Management Console framework to execute malicious code, named MSC EvilTwin (CVE-2025-26633).

Published: March 25, 2025

Linked vulnerabilities : CVE-2025-26633 (CVSS 7.0)

Downloadable IOCs: 58

Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

A Windows .lnk file vulnerability, ZDI-CAN-25373, has been extensively exploited by state-sponsored and cybercriminal groups. The vulnerability allows hidden command execution through crafted shortcut files, exposing organizations to data theft and cyber espionage risks. Nearly 1,000 malicious .lnk…

Published: March 18, 2025

Downloadable IOCs: 851

Analysis of Lazarus Group's Attack Targeting Windows Web Servers

The Lazarus group has been targeting Windows web servers, particularly in South Korea, installing webshells and C2 scripts to use compromised servers as proxies. The attacks involve multiple stages, including the use of LazarLoader malware and privilege escalation tools. The C2 scripts act as proxi…

Published: March 11, 2025

Downloadable IOCs: 0

The Evolution of Dark Caracal Tools: Campaign Analysis Using the Poco RAT

Attacks using the Poco RAT are a continuation of the Dark Caracal group's campaign. This campaign was launched in 2022 and is aimed at Spanish-speaking countries in Latin America.

Published: March 5, 2025

Downloadable IOCs: 41

Vgod RANSOMWARE

A new ransomware strain called Vgod has been observed targeting Windows systems. It encrypts files, appending the '.Vgod' extension, and leaves a ransom note titled 'Decryption Instructions.txt'. The ransomware changes the desktop wallpaper and employs a double extortion model, threatening data exp…

Published: February 18, 2025

Downloadable IOCs: 1

Ransomware Roundup – Lynx

The Lynx ransomware, first detected in July 2024, is a Windows-targeting malware that encrypts files and demands ransom for decryption. It shares similarities with the INC ransomware but offers more granular control. Lynx encrypts files with a .LYNX extension, changes desktop backgrounds, and print…

Published: February 17, 2025

Downloadable IOCs: 9

From South America to Southeast Asia: The Fragile Web of REF7707

While the REF7707 campaign is characterized by a well-engineered, highly capable, novel intrusion set, the campaign owners exhibited poor campaign management and inconsistent evasion practices.

Published: February 12, 2025

Downloadable IOCs: 40

Malware Analysis: A Kernel Land Rootkit Loader for FK_Undead

This analysis delves into a Windows rootkit loader for the FK_Undead malware family, known for intercepting user network traffic through proxy manipulation. The loader, signed with a valid Microsoft certificate, installs itself as a system service and employs various evasion techniques. It download…

Published: December 11, 2024

Downloadable IOCs: 20

Meeten Malware: A Cross-Platform Threat to Crypto Wallets on macOS and Windows

A sophisticated scam targeting Web3 professionals has been identified, involving the Realst crypto stealer malware with variants for both macOS and Windows. The threat actors have created fake companies using AI-generated content to appear legitimate, cycling through various names like Meetio, Clus…

Published: December 7, 2024

Downloadable IOCs: 0

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

Fake AI video generators infect Windows, macOS with infostealers

Threat actors are using fake AI image and video generators to distribute Lumma Stealer and AMOS information-stealing malware on Windows and macOS. These malicious programs masquerade as an AI application called EditProAI, targeting users through search results and social media advertisements. The m…

Published: November 16, 2024

Downloadable IOCs: 0

Russian Hackers Exploit New NTLM Flaw to Deploy RAT Malware via Phishing Emails

A newly discovered vulnerability in Windows NT LAN Manager (NTLM) has been exploited by suspected Russian hackers in cyber attacks against Ukraine. The flaw, identified as CVE-2024-43451, allows attackers to steal NTLMv2 hashes through minimal user interaction with malicious files. The exploit chai…

Published: November 14, 2024

Downloadable IOCs: 24

SmokeBuster Tool

ThreatLabz has developed SmokeBuster, a tool to detect, analyze, and remove SmokeLoader malware from infected systems. Despite Operation Endgame's disruption in May 2024, SmokeLoader continues to be used by threat groups. SmokeBuster supports various SmokeLoader versions and Windows systems, offeri…

Published: October 31, 2024

Downloadable IOCs: 0

Russian Hackers Attacking Ukraine Military With Malware Via Telegram

Russian hackers, identified as UNC5812, are targeting the Ukrainian military through a sophisticated cyber operation. The attackers use a deceptive Telegram channel and website posing as a civil defense service to distribute malware for both Windows and Android devices. The Windows attack deploys P…

Published: October 31, 2024

Downloadable IOCs: 7

Akira ransomware continues to evolve

Akira ransomware has established itself as a prominent threat, constantly evolving its tactics. Initially employing double-extortion, it shifted focus to data exfiltration in early 2024. The group developed a Rust variant of their ESXi encryptor, moving away from C++. Recently, Akira has returned t…

vulnerability exploitation

Published: October 22, 2024

Linked vulnerabilities : CVE-2024-37085 (CVSS 6.8), CVE-2024-40766 (CVSS 9.8), CVE-2024-40711 (CVSS 9.8), CVE-2023-27532, CVE-2023-20269, CVE-2020-3259, CVE-2023-48788, CVE-2023-20263

Downloadable IOCs: 37

Fog Ransomware – Technical Analysis

A new ransomware called Fog has been identified, affecting education and recreation centers in the United States. The threat actors gain access through compromised VPN credentials, disable Windows Defender, and deploy the ransomware. Fog is a 32-bit EXE file compiled using Microsoft Visual C/C++. I…

Published: October 21, 2024

Downloadable IOCs: 1

THREAT ANALYSIS: Beast Ransomware

The Beast Ransomware group, active since 2022, offers a Ransomware-as-a-Service (RaaS) platform with constant updates. It supports Windows, Linux, and ESXi systems, providing affiliates with customizable binary options. Beast employs advanced encryption methods, including Elliptic-curve and ChaCha2…

Published: October 19, 2024

Downloadable IOCs: 0

Beware: Fake Google Meet Pages Deliver Infostealers in Ongoing ClickFix Campaign

Threat actors are using fake Google Meet web pages as part of the ClickFix campaign to deliver infostealers targeting Windows and macOS systems. The attackers display fake error messages in web browsers, tricking users into executing malicious PowerShell code. The campaign has expanded to impersona…

Published: October 18, 2024

Downloadable IOCs: 0

Kernel shellcode persistence technique in APT attacks and CTF challenge

A security flaw in Windows 7 and Server 2008 R2 allows kernel shellcode to be hidden in the registry and executed during boot, despite patches. This vulnerability was exploited in a 2018 targeted attack. The SAS CTF challenge involved analyzing this technique, which uses buffer overflows in DirectX…

Published: October 17, 2024

Downloadable IOCs: 0

Unmasking CVE-2024-38178: The Silent Threat of Windows Scripting Engine

CVE-2024-38178 is a type confusion vulnerability in JScript9.dll, patched by Microsoft in August 2024. It allows bypassing the CVE-2022-41128 patch through incorrect JIT engine optimizations. APT37, a North Korean threat group, exploited this vulnerability in June 2024 against South Korean targets.…

remote code execution

Published: October 17, 2024

Downloadable IOCs: 0

FASTCash for Linux

A newly identified variant of FASTCash "payment switch" malware specifically targets the Linux operating system, as well as Microsoft Windows, according to CISA and the Department of Homeland Security (DHS).

Published: October 15, 2024

Downloadable IOCs: 12

Technical Analysis of a Novel IMEEX Framework

The IMEEX framework is a newly discovered, custom-built malware targeting Windows systems. Delivered as a 64-bit DLL, it offers extensive control over compromised machines, featuring execution of additional modules, file manipulation, process management, registry modification, and remote command ex…

Published: October 14, 2024

Downloadable IOCs: 9

Lynx Ransomware: A Rebranding of INC Ransomware

Lynx ransomware, discovered in July 2024, is a successor to INC ransomware targeting organizations in retail, real estate, architecture, and financial services in the U.S. and UK. It shares significant source code with INC and operates as a ransomware-as-a-service model. Lynx employs double extorti…

Published: October 14, 2024

Downloadable IOCs: 44

Ransomware Roundup - Underground

The Underground ransomware, first observed in July 2023, targets Windows machines by encrypting files and demanding ransom. Attributed to the Russia-based RomCom group, it exploits CVE-2023-36884 and other common infection vectors. The ransomware deletes shadow copies, modifies RemoteDesktop settin…

Published: September 2, 2024

Linked vulnerabilities : CVE-2023-36884

Downloadable IOCs: 4

Analysis of two arbitrary code execution vulnerabilities affecting WPS Office

ESET researchers discovered two code execution vulnerabilities in WPS Office for Windows. CVE-2024-7262 was exploited by APT-C-60, a South Korea-aligned cyberespionage group, to target East Asian countries. The vulnerability allowed arbitrary code execution via a malicious hyperlink in a spreadshee…

Published: August 30, 2024

Linked vulnerabilities : CVE-2024-7262, CVE-2024-7263, CVE-2024-7672 (CVSS 7.8), CVE-2924-7263, CVE-2022-24934

Downloadable IOCs: 5

AppDomainManager Injection Technique Used to Execute Malware on Windows

Cybersecurity specialists have observed an escalation in attacks employing the AppDomainManager Injection technique, which exploits the .NET Framework's version redirection feature to manipulate legitimate EXE files and load malicious DLLs. These attacks commonly begin with a ZIP file containing a …

Published: August 26, 2024

Downloadable IOCs: 9

Exploiting CVE-2024-21412: A Stealer Campaign Unleashed

This report details a malicious campaign exploiting the CVE-2024-21412 vulnerability in Microsoft Windows SmartScreen to bypass security warnings and deliver malware. Attackers employ crafted links, LNK files, and HTA scripts to download decoy PDFs and shell code injectors, ultimately injecting ste…

Published: July 24, 2024

Linked vulnerabilities : CVE-2024-21412

Downloadable IOCs: 27

MoonWalk

This blog post examines MoonWalk, a new backdoor employed by APT41, a China-based threat actor known for campaigns in Southeast Asia. MoonWalk utilizes numerous evasion techniques, including DLL hollowing, call stack spoofing, and the abuse of Windows Fibers to evade security solutions. It also lev…

Published: July 12, 2024

Downloadable IOCs: 3

Resurrecting Internet Explorer: Threat Actors Using Zero-day Tricks in Internet Shortcut File to Lure Victims (CVE-2024-38112)

Check Point Research discovered threat actors leveraging novel techniques to execute malicious code on Windows systems by exploiting Internet Explorer's vulnerabilities. The attackers utilized specially crafted .url files that, when opened, would launch IE and visit attacker-controlled URLs. Additi…

Published: July 10, 2024

Linked vulnerabilities : CVE-2024-38112 (CVSS 7.5), CVE-2021-40444, CVE-2023-36025

Downloadable IOCs: 7

Guntior - the story of an advanced bootkit that doesn't rely on Windows disk drivers

Amid the rise of bootkits at the time, a dropper was captured in-the-wild and posted on a malware tracker. The malware was called "Guntior", named after the device object its authors had chosen for it (\Device\Guntior). The name also appears in AV detections.

Published: May 8, 2024

Downloadable IOCs: 6

Ransomware Roundup (April 29, 2024)

This concise report provides insights into the evolving ransomware landscape, covering the KageNoHitobito and DoNex variants. It analyzes their infection vectors, victimology, attack methods, and associated indicators of compromise (IoCs). The report also highlights Fortinet's protections against t…

Published: April 29, 2024

Downloadable IOCs: 7

Tag: windows

Attack reports

NailaoLocker Ransomware's 'Cheese'

Chinese Malware Delivery Domains: Part III

Crypto Wallets Continue to be Drained in Elaborate Social Media Scam

BERT Ransomware Group Targets Asia and Europe on Multiple Platforms

Windows Shortcut (LNK) Malware Strategies

Decrement by one to rule them all: AsIO3.sys driver exploitation

BERT RANSOMWARE - THE RAVEN FILE

Sarcoma Ransomware Unveiled: Anatomy of a Double Extortion Gang

Additional Features of OtterCookie Malware Used by WaterPlum

Latest Mustang Panda Arsenal: Toneshell, StarProxy, PAKLOG, CorKLOG, and SplatCloak

Exploitation of CLFS zero-day leads to ransomware activity

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

TURNING AID INTO ATTACK: EXPLOITATION OF PAKISTAN’S YOUTH LAPTOP SCHEME TO TARGET INDIA

CVE-2025-26633: How Water Gamayun Weaponizes MUIPath using MSC EvilTwin

Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

Analysis of Lazarus Group's Attack Targeting Windows Web Servers

The Evolution of Dark Caracal Tools: Campaign Analysis Using the Poco RAT

Vgod RANSOMWARE

Ransomware Roundup – Lynx

From South America to Southeast Asia: The Fragile Web of REF7707

Malware Analysis: A Kernel Land Rootkit Loader for FK_Undead

Meeten Malware: A Cross-Platform Threat to Crypto Wallets on macOS and Windows

Helldown Ransomware: an overview of this emerging threat

Fake AI video generators infect Windows, macOS with infostealers

Russian Hackers Exploit New NTLM Flaw to Deploy RAT Malware via Phishing Emails

SmokeBuster Tool

Russian Hackers Attacking Ukraine Military With Malware Via Telegram

Akira ransomware continues to evolve

Fog Ransomware – Technical Analysis

THREAT ANALYSIS: Beast Ransomware

Beware: Fake Google Meet Pages Deliver Infostealers in Ongoing ClickFix Campaign

Kernel shellcode persistence technique in APT attacks and CTF challenge

Unmasking CVE-2024-38178: The Silent Threat of Windows Scripting Engine

FASTCash for Linux

Technical Analysis of a Novel IMEEX Framework

Lynx Ransomware: A Rebranding of INC Ransomware

Ransomware Roundup - Underground

Analysis of two arbitrary code execution vulnerabilities affecting WPS Office

AppDomainManager Injection Technique Used to Execute Malware on Windows

Exploiting CVE-2024-21412: A Stealer Campaign Unleashed

MoonWalk

Resurrecting Internet Explorer: Threat Actors Using Zero-day Tricks in Internet Shortcut File to Lure Victims (CVE-2024-38112)

Guntior - the story of an advanced bootkit that doesn't rely on Windows disk drivers

Ransomware Roundup (April 29, 2024)