General

  • Target

    JaffaCakes118_929f77a47a4a33455ccdb7366ef0ff98

  • Size

    899KB

  • Sample

    250329-xeasyawmz4

  • MD5

    929f77a47a4a33455ccdb7366ef0ff98

  • SHA1

    38b8140d139c212b12ac4fbef64a339da3a50af9

  • SHA256

    cca77ef16e89bff979f6abf9b435cf7c433f664f6003648a4645530c37a857a4

  • SHA512

    8cab77bc38be2aca1ded368a3ffac1f56d21351ea24c0271daf0b11d833d0e120c9a2be9061248aa951cb268efdf7b42aa157bc54415e7f6154475ad22835488

  • SSDEEP

    12288:EdQyETqOIG8u8IaPowniyjkRmFm9fMVa5t3OYyd0kf5jkJxL1XWkGl4IsGikcDho:EdQuOIG8gsTo3N3OYif5jOWkwtsBxmH

Malware Config

Extracted

Family

darkcomet

Botnet

O0ziil

C2

dylz-h4ck.no-ip.org:1324

Mutex

DC_MUTEX-09AT1EJ

Attributes
  • InstallPath

    system32/winlogon.exe

  • gencode

    wM-hxmeQDf2%

  • install

    true

  • offline_keylogger

    true

  • password

    dinounou

  • persistence

    true

  • reg_key

    winlogon

rc4.plain

Targets

    • Target

      JaffaCakes118_929f77a47a4a33455ccdb7366ef0ff98

    • Size

      899KB

    • MD5

      929f77a47a4a33455ccdb7366ef0ff98

    • SHA1

      38b8140d139c212b12ac4fbef64a339da3a50af9

    • SHA256

      cca77ef16e89bff979f6abf9b435cf7c433f664f6003648a4645530c37a857a4

    • SHA512

      8cab77bc38be2aca1ded368a3ffac1f56d21351ea24c0271daf0b11d833d0e120c9a2be9061248aa951cb268efdf7b42aa157bc54415e7f6154475ad22835488

    • SSDEEP

      12288:EdQyETqOIG8u8IaPowniyjkRmFm9fMVa5t3OYyd0kf5jkJxL1XWkGl4IsGikcDho:EdQuOIG8gsTo3N3OYif5jOWkwtsBxmH

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Boot or Logon Autostart Execution: Active Setup

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

    • Disables Task Manager via registry modification

    • 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

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks