Overview

overview

10

Static

static

3

jaffacakes...b8.exe

windows10-2004-x64

10

jaffacakes...b8.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118__753b062a4117e6779287fb78cb7805b8
  • Size 647KB
  • Sample260919-hthprscf54
  • SHA256 a7c388734a4f7fbd78ed00f4821461a05519d9a24f937a7dd1b887e84f1db741
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • 127.0.0.1:1604

Mutex

  • DC_MUTEX-BU4HU0X

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    ��U.Q-2/ST.t

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target
      jaffacakes118__753b062a4117e6779287fb78cb7805b8
    • Size 647KB
    • SHA256 a7c388734a4f7fbd78ed00f4821461a05519d9a24f937a7dd1b887e84f1db741
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16defense_evasiondiscoverydarkcometpersistencerattrojan

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      defense_evasiontrojan

    • Disables Task Manager via registry modification

      defense_evasion

    • 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

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks