Overview

overview

10

Static

static

10

JaffaCakes...fe.exe

windows7-x64

10

JaffaCakes...fe.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    JaffaCakes118_54ad41a42e0c7ee4443a9be89ca534fe
  • Size 756KB
  • Sample250129-j7261askft
  • SHA256 7ae251af1210de14be1b1729c5d8a5912d0abbd0279f05eab5acaf62d5cded51
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • appelsap.no-ip.org:86

Mutex

  • DC_MUTEX-KFF0744

Attributes
  • InstallPath

    LocalUpdates\Updater.exe

  • gencode

    oqbAtc4bt3Sc

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    UpdateSteamCrack

Targets

    • Target
      JaffaCakes118_54ad41a42e0c7ee4443a9be89ca534fe
    • Size 756KB
    • SHA256 7ae251af1210de14be1b1729c5d8a5912d0abbd0279f05eab5acaf62d5cded51
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16defense_evasiondiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      defense_evasion

    • Modifies security service

      defense_evasion

    • 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

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks