Overview

overview

10

Static

static

10

JaffaCakes...f0.exe

windows7-x64

10

JaffaCakes...f0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_0e7c3885267a33b9d70e83b42ee4eef0

  • Size

    746KB

  • Sample

    250220-15f97awnax

  • MD5

    0e7c3885267a33b9d70e83b42ee4eef0

  • SHA1

    f3ef2dcdfe7c1d48eebfc6908b8f8c6d1830583f

  • SHA256

    b305e234e13edd0c620ac16b20773ad804b4ba442afcf60bf960a49626188fd3

  • SHA512

    806d0854ccc12ba3169eb3e7ab8b83630e5de9a87ac79edd39824c681be6e31210de4816ab4cc7143e03d5af7ccf553f54d07b48d19d2dbb2c10ee19a88a50f2

  • SSDEEP

    12288:S6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPfhUsvv:XAmBpVKHu0Mu9Xo20VGLVP5vvv

Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-TM0AWX1

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    qZwwH6xTpa$s

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_0e7c3885267a33b9d70e83b42ee4eef0

    • Size

      746KB

    • MD5

      0e7c3885267a33b9d70e83b42ee4eef0

    • SHA1

      f3ef2dcdfe7c1d48eebfc6908b8f8c6d1830583f

    • SHA256

      b305e234e13edd0c620ac16b20773ad804b4ba442afcf60bf960a49626188fd3

    • SHA512

      806d0854ccc12ba3169eb3e7ab8b83630e5de9a87ac79edd39824c681be6e31210de4816ab4cc7143e03d5af7ccf553f54d07b48d19d2dbb2c10ee19a88a50f2

    • SSDEEP

      12288:S6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPfhUsvv:XAmBpVKHu0Mu9Xo20VGLVP5vvv

    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 security service

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks