General

  • Target

    JaffaCakes118_ea5b6dd2baab2f70d557c07566560bac

  • Size

    804KB

  • Sample

    250211-z5c24a1nak

  • MD5

    ea5b6dd2baab2f70d557c07566560bac

  • SHA1

    a26106191e61a078810291024dd70259ce5f090f

  • SHA256

    418ae729bb67f8c71bfd7729813a472644e13b76e5b446bea9014e3991e51f60

  • SHA512

    f317453dfa4d94765672d0d814ba0ffe69c288b07f0c2554fe3ede51e1bcfd426e34a7b7d294e668de075ba4d4cdce69513fd1423a4e80c2651e74629817f971

  • SSDEEP

    24576:eK9HHkb6rqK4tTLr8pmSzFVED0q+sD0QZh9u:eCHHFqKtASzbEbk

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

matt.no-ip.biz:1604

Mutex

DCMIN_MUTEX-18DNZPU

Attributes
  • gencode

    yq4lg67WWZ5d

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_ea5b6dd2baab2f70d557c07566560bac

    • Size

      804KB

    • MD5

      ea5b6dd2baab2f70d557c07566560bac

    • SHA1

      a26106191e61a078810291024dd70259ce5f090f

    • SHA256

      418ae729bb67f8c71bfd7729813a472644e13b76e5b446bea9014e3991e51f60

    • SHA512

      f317453dfa4d94765672d0d814ba0ffe69c288b07f0c2554fe3ede51e1bcfd426e34a7b7d294e668de075ba4d4cdce69513fd1423a4e80c2651e74629817f971

    • SSDEEP

      24576:eK9HHkb6rqK4tTLr8pmSzFVED0q+sD0QZh9u:eCHHFqKtASzbEbk

    • Darkcomet

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

    • Darkcomet family

    • Boot or Logon Autostart Execution: Active Setup

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

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks