General

  • Target

    JaffaCakes118_25a7e92820a8ca1e5571bc5a546fdee8

  • Size

    811KB

  • Sample

    250226-nnry5syks9

  • MD5

    25a7e92820a8ca1e5571bc5a546fdee8

  • SHA1

    fc6d6c499b5fc213093d3470c8a3a2af7bd83a54

  • SHA256

    26f9f8ca45e78dc6649bde7867fba0b5e76534ed8cfa176b096b06c0b0db7864

  • SHA512

    085e558cc21d10d9cf57a155580ac8e834a62f85ad233c15ee7adb7120a23d78d25754bd94be799ed89f209fd374cd1a6fb8b31309e53927cedc3444f64bef7b

  • SSDEEP

    12288:oaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdGO4V:JAEENIq8XwyVPQclDq/+WnpsSM

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

windowsconnect.no-ip.biz:1604

Mutex

DC_MUTEX-57WVE57

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    jka3Rd.�*-Ay

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_25a7e92820a8ca1e5571bc5a546fdee8

    • Size

      811KB

    • MD5

      25a7e92820a8ca1e5571bc5a546fdee8

    • SHA1

      fc6d6c499b5fc213093d3470c8a3a2af7bd83a54

    • SHA256

      26f9f8ca45e78dc6649bde7867fba0b5e76534ed8cfa176b096b06c0b0db7864

    • SHA512

      085e558cc21d10d9cf57a155580ac8e834a62f85ad233c15ee7adb7120a23d78d25754bd94be799ed89f209fd374cd1a6fb8b31309e53927cedc3444f64bef7b

    • SSDEEP

      12288:oaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdGO4V:JAEENIq8XwyVPQclDq/+WnpsSM

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Windows security bypass

    • 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

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks