After nine stages of obfuscation, the final payload reveals itself as PureRAT, a commercial .NET RAT using TLS-pinned C2, Protocol Buffers, and modular plugins for remote access and control.
Advanced .NET loader dynamically loads assemblies from memory, decrypts payloads on-the-fly, and invokes methods without touching disk, requiring a pivot from static to dynamic analysis techniques.
The campaign shifts from Python to compiled .NET executables using process hollowing for in-memory PE injection, AMSI patching, and ETW unhooking to evade detection and establish persistence.
Dissect PXA Stealer’s weaponized info-stealing payload that extracts Chrome credentials, cookies, and 2FA tokens using WMI for AV enumeration before exfiltrating everything via Telegram’s Bot API.
Uncover how a copyright phishing email delivers multi-stage Python malware through DLL sideloading, hidden archives, and Base64 obfuscation in this deep-dive intro to Python malware reverse engineering.
