General

  • Target

    461cdeacfa99595adbd61cc33861566d_JaffaCakes118

  • Size

    1.0MB

  • Sample

    241015-gdsz5asajk

  • MD5

    461cdeacfa99595adbd61cc33861566d

  • SHA1

    98b03571f2da19742b57b436ee4d70bd3b7f622d

  • SHA256

    bb81c08d7ad157fce394b5bbec82f9809803f1502347cc097b7a689ec4fad8ce

  • SHA512

    e6ce290a30ce7f68145dd63a4f2cc6f00877416805122aa46e853f3ba1bcea565a6cbdfddfcee534e0dd913f3b0d885890d13943980ab7bba3999aee9ae79e93

  • SSDEEP

    24576:aqdhnAVHAJkV38Hk00IltWhi49IhakMbTwSAERhqu6khuXau7P:rhNMMHkQtW1+hAbREuVhu17P

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

net-updetor.zapto.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\jhhhhsc.exe

  • gencode

    AHTSyKKsRTzP

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    ggkhjgkfjhljgfh

Targets

    • Target

      461cdeacfa99595adbd61cc33861566d_JaffaCakes118

    • Size

      1.0MB

    • MD5

      461cdeacfa99595adbd61cc33861566d

    • SHA1

      98b03571f2da19742b57b436ee4d70bd3b7f622d

    • SHA256

      bb81c08d7ad157fce394b5bbec82f9809803f1502347cc097b7a689ec4fad8ce

    • SHA512

      e6ce290a30ce7f68145dd63a4f2cc6f00877416805122aa46e853f3ba1bcea565a6cbdfddfcee534e0dd913f3b0d885890d13943980ab7bba3999aee9ae79e93

    • SSDEEP

      24576:aqdhnAVHAJkV38Hk00IltWhi49IhakMbTwSAERhqu6khuXau7P:rhNMMHkQtW1+hAbREuVhu17P

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • 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

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks