Attackers can then perform remote desktop control, steal credentials, exfiltrate data, or deploy ransomware across the compromised network.
It is important to note that this version of XWorm contains a known vulnerability—a remote code execution (RCE) flaw that security researchers have since documented and created exploits for. This flaw allowed defenders to potentially disrupt the malware's C2 panel, though it has since been addressed in later versions like 6.0.
High-impact tactics observed in live campaigns include:
Features "clipper" functionality that monitors the system clipboard to replace legitimate cryptocurrency addresses with fraudulent ones. XWorm-5.6-main.zip
| | Details | | :--- | :--- | | First Discovered | 2022 | | Language | C# (.NET-based) | | Version of Interest | XWorm v5.6 (last original version by XCoder) | | Primary Capabilities | Info-stealer, Ransomware, DDoS, Keylogger, Remote Desktop | | Key Persistence Methods | Registry Run Key, Scheduled Tasks, Startup Folder | | Notable Evasion Techniques | AMSI Bypass (via CLR.DLL patching), Process Hollowing, Fileless Execution | | Major Attack Vectors | Phishing emails, Malicious .LNK files, Trojanized software installers, Fake CAPTCHA pages |
This report outlines the technical details and behavioral analysis of the archive "XWorm-5.6-main.zip" , which contains components of the Remote Access Trojan (RAT). 1. General Information
When the victim extracts the zip file, they find an executable like Start.exe . To trick automated security sandboxes, the file displays a prompt (e.g., a "Game Play!" button). Clicking this button initiates a dual process: it launches a legitimate decoy program to distract the user while silently dropping the loader component. XWorm v5.6 Malware Being Distributed via Webhards - AhnLab Attackers can then perform remote desktop control, steal
It modifies system registries and startup folders to ensure it stays on the computer even after a reboot. How it Spreads
XWorm is a sophisticated "commodity" malware. Unlike custom tools built for state-sponsored espionage, XWorm is sold on underground forums and Telegram channels as a . This makes it accessible to a wide range of cybercriminals, from "script kiddies" to organized ransomware groups.
On the host level, detection focuses on anomalous process behavior. XWorm often exhibits: General Information When the victim extracts the zip
Publicly available code repositories show that archives like XWorm-V5.6-Cracked have been pushed to platforms such as GitHub, explicitly labeled for "educational purposes only". However, the reality is that these packages are frequently weaponized by malicious actors.
Did you notice any (e.g., high CPU usage, unexpected network traffic)? Do you have any antivirus logs or alert details available?