General

  • Target

    JaffaCakes118_231e9bf33b6d97a4568b7104240fff56

  • Size

    286KB

  • Sample

    250225-3ez1qatmz7

  • MD5

    231e9bf33b6d97a4568b7104240fff56

  • SHA1

    81c9ee6fccee5d3f38cbcdd73bafb17eec1a8a6f

  • SHA256

    3dc789a3032fb8e72bca8ec412d710720166405043a553b0479c664390641b94

  • SHA512

    6999178908f4a0ef6263c53d40738124e6641ad65370dca6b606bfd472e7f64b56651eee97061a23b4f832ed9f6ae1b48b993ca55806d94cfa39688efe128e06

  • SSDEEP

    3072:23rAsZQCByAxj0v3VGOcZKepLVIfdpxNqaxKZLoZzDu0Ly7Q9+Rjw4bkZbSpsOoZ:ZVvvFIdhUd8QxW7zRjrbk+sOYSaj7

Malware Config

Extracted

Family

darkcomet

Botnet

prv1

C2

hackflor.no-ip.info:1605

Mutex

DC_MUTEX-QRC5UD6

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    Y26JiXGYPz$G

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_231e9bf33b6d97a4568b7104240fff56

    • Size

      286KB

    • MD5

      231e9bf33b6d97a4568b7104240fff56

    • SHA1

      81c9ee6fccee5d3f38cbcdd73bafb17eec1a8a6f

    • SHA256

      3dc789a3032fb8e72bca8ec412d710720166405043a553b0479c664390641b94

    • SHA512

      6999178908f4a0ef6263c53d40738124e6641ad65370dca6b606bfd472e7f64b56651eee97061a23b4f832ed9f6ae1b48b993ca55806d94cfa39688efe128e06

    • SSDEEP

      3072:23rAsZQCByAxj0v3VGOcZKepLVIfdpxNqaxKZLoZzDu0Ly7Q9+Rjw4bkZbSpsOoZ:ZVvvFIdhUd8QxW7zRjrbk+sOYSaj7

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

MITRE ATT&CK Enterprise v15

Tasks