Trusted DesignThis analysis examines new obfuscation techniques employed by Gremlin stealer malware to conceal malicious payloads within embedded resources. A variant protected by sophisticated commercial packing utility uses instruction virtualization, transforming code into custom bytecode executed by a private virtual machine. The malware siphons sensitive information including payment card details, browser cookies, session tokens, cryptocurrency wallet data, and FTP/VPN credentials from compromised systems. It exfiltrates data to attacker-controlled servers at hxxp[:]194.87.92[.]109 for potential publication or sale. Recent iterations incorporate expanded Discord token extraction, active financial fraud through crypto clipper functionality that replaces cryptocurrency wallet addresses in real-time, and WebSocket-based session hijacking to bypass modern cookie protections. The malware employs advanced anti-analysis techniques including XOR-encoded payloads in .NET resource sections, identifier renaming, string encryp...
Created: 2026-05-15
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