Overview

overview

10

Static

static

3

JaffaCakes...94.exe

windows7-x64

10

JaffaCakes...94.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_001893cda7d0370788b0f8d6d4b44594

  • Size

    752KB

  • Sample

    250218-qq6lesskt5

  • MD5

    001893cda7d0370788b0f8d6d4b44594

  • SHA1

    a2deff93b3ea200ad69edd3bb8dddddf2e9c3603

  • SHA256

    541937733ed06c1bded0e820bbfd1d986c7b9a394c0a0d665ab53e077b6461b5

  • SHA512

    c5d4379a929c1324b33a88044e7b3fea9fae8d650e1ad98f95b9854ba90a061931ff812cd61d8d1bfd29de7971e8973d67d8ae7fb8dfafafe70aa8715b853e20

  • SSDEEP

    12288:X6Al3AtpCrcXbwH0AMn+7QW95VYnZQwZH03xouaxUnDSInhZJBKOQLY2tbEnrStL:X6ApAtpCXH0AT95VZop0ibOo9L

Score
10/10
darkcometserverdiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Server

C2

nxxbkiller.no-ip.biz:1234

Mutex

DC_MUTEX-XFXXMQ4

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    pAYlnCRBTHkl

  • install

    true

  • offline_keylogger

    true

  • password

    12345

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_001893cda7d0370788b0f8d6d4b44594

    • Size

      752KB

    • MD5

      001893cda7d0370788b0f8d6d4b44594

    • SHA1

      a2deff93b3ea200ad69edd3bb8dddddf2e9c3603

    • SHA256

      541937733ed06c1bded0e820bbfd1d986c7b9a394c0a0d665ab53e077b6461b5

    • SHA512

      c5d4379a929c1324b33a88044e7b3fea9fae8d650e1ad98f95b9854ba90a061931ff812cd61d8d1bfd29de7971e8973d67d8ae7fb8dfafafe70aa8715b853e20

    • SSDEEP

      12288:X6Al3AtpCrcXbwH0AMn+7QW95VYnZQwZH03xouaxUnDSInhZJBKOQLY2tbEnrStL:X6ApAtpCXH0AT95VZop0ibOo9L

    Score
    10/10
    darkcometserverdiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks