In-depth Technical Analysis of Colibri Loader Malware

**Executive Summary:** The report analyzes Colibri, a Windows malware loader advertised on an underground Russian forum, detailing its packing, unpacking, self-modifying code, dynamic API resolution (avoiding an IAT), encrypted strings, and C2 communications to 80.92.205.102/gate.php; it provides MD5 hashes and network IOCs and concludes Colibri is a stealthy delivery mechanism capable of downloading and decrypting secondary payloads, posing a high risk as a malware loader.