General

  • Target

    JaffaCakes118_9069fa248edbd51b9843512162454a21

  • Size

    1.8MB

  • Sample

    250329-wsvvlaxsbt

  • MD5

    9069fa248edbd51b9843512162454a21

  • SHA1

    523ba0b8402e82e1686e38ba53f8c76fd77565e6

  • SHA256

    27c5ea836ffb52bf22df29e039b102a7f1a402ff3e0d7a6925a628999fe575a2

  • SHA512

    f6b3b9bc5b262d47f366763045d3f2fc166bd6a7140f70599c9cab94106643f4071784618d5f58c95490bc2fb60bcca0b61f859a415d7d19ce21347125537899

  • SSDEEP

    12288:s64Kj0aD6XuBq9LZZwnIOGyU2FeAN6Ypbf1qAm0gW7SllD6WKFGv8X34G4OjcIps:36+cSFt5SWGycIjgH0HZsVQN6

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

servicedevice.no-ip.org:1232

Mutex

DC_MUTEX-2T9L5UJ

Attributes
  • InstallPath

    MSoft\smss.exe

  • gencode

    j6TrhCffXJTX

  • install

    true

  • offline_keylogger

    true

  • password

    123456789

  • persistence

    false

  • reg_key

    Microsoft � Co- operation �

rc4.plain

Targets

    • Target

      JaffaCakes118_9069fa248edbd51b9843512162454a21

    • Size

      1.8MB

    • MD5

      9069fa248edbd51b9843512162454a21

    • SHA1

      523ba0b8402e82e1686e38ba53f8c76fd77565e6

    • SHA256

      27c5ea836ffb52bf22df29e039b102a7f1a402ff3e0d7a6925a628999fe575a2

    • SHA512

      f6b3b9bc5b262d47f366763045d3f2fc166bd6a7140f70599c9cab94106643f4071784618d5f58c95490bc2fb60bcca0b61f859a415d7d19ce21347125537899

    • SSDEEP

      12288:s64Kj0aD6XuBq9LZZwnIOGyU2FeAN6Ypbf1qAm0gW7SllD6WKFGv8X34G4OjcIps:36+cSFt5SWGycIjgH0HZsVQN6

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

MITRE ATT&CK Enterprise v15

Tasks