General

  • Target

    https://github.com/hxk-PLINT/Eulen/releases/tag/Eulen

  • Sample

    240718-1m2hea1dkc

Malware Config

Targets

    • Target

      https://github.com/hxk-PLINT/Eulen/releases/tag/Eulen

    • VanillaRat

      VanillaRat is an advanced remote administration tool coded in C#.

    • Vanilla Rat payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks