The SombRAT loader recovered in this incident was a 64-bit variant that allowed the malicious actor to remotely download and load executable dynamic-link libraries (DLL) plugins on the affected system (Ingress Tool Transfer [T1105]). The loader used hardcoded public RSA keys for command and control (C2) sessions (Command and Control [TA0011]). The C2 communications were encrypted using Advanced Encryption Standard (AES), resulting in a Secure Sockets Layer tunnel with the threat actors (Encrypted Channel: Asymmetric Cryptography [T1573.002