General

  • Target

    JaffaCakes118_230e408ce870ebdff06e1765a3dcf38f

  • Size

    412KB

  • Sample

    250225-2vnrysslv3

  • MD5

    230e408ce870ebdff06e1765a3dcf38f

  • SHA1

    acb683b17d182aef91dcb78ce0506c95d643250f

  • SHA256

    1a82bc7fb874f399e0fc7b632d891790bd6b3e3d35cb2abd49c8d45afd3a4d0c

  • SHA512

    e67601dbe4c87cdd2f7fdc749751c266c1be10a7f5d542af94bf516970f78957463a5277901936b40e3efd8a3de4a2bb3ed7d28c277cfeee74d766a3a5695560

  • SSDEEP

    6144:Sw/kMDudL7RpI9sA0KfEWtxI3PuCcLnw4lkhwD8vr+BQt3dCX3NeFb:v/1KdnfAaWQWCYlkhwDp3wF

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

173.0.6.116:1604

Mutex

DC_MUTEX-E39XDLG

Attributes
  • gencode

    N/vqwe+9RlMC

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_230e408ce870ebdff06e1765a3dcf38f

    • Size

      412KB

    • MD5

      230e408ce870ebdff06e1765a3dcf38f

    • SHA1

      acb683b17d182aef91dcb78ce0506c95d643250f

    • SHA256

      1a82bc7fb874f399e0fc7b632d891790bd6b3e3d35cb2abd49c8d45afd3a4d0c

    • SHA512

      e67601dbe4c87cdd2f7fdc749751c266c1be10a7f5d542af94bf516970f78957463a5277901936b40e3efd8a3de4a2bb3ed7d28c277cfeee74d766a3a5695560

    • SSDEEP

      6144:Sw/kMDudL7RpI9sA0KfEWtxI3PuCcLnw4lkhwD8vr+BQt3dCX3NeFb:v/1KdnfAaWQWCYlkhwDp3wF

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks