Overview

overview

10

Static

static

3

JaffaCakes...31.exe

windows7-x64

10

JaffaCakes...31.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    JaffaCakes118_e89a7e3fde0f04f5a642d8005fdd6e31

  • Size

    741KB

  • Sample

    250211-vykq5svjdv

  • MD5

    e89a7e3fde0f04f5a642d8005fdd6e31

  • SHA1

    8474c5a2cdb160ba0a85abacffbba9ffb877ad5d

  • SHA256

    68da8a52988ae5bfa45dd057a4de0868090d03de44a8c17147bfac29699f54f3

  • SHA512

    5d808b25813591b55f8c28a2b1009ef2d13444dc7ed11ec3b2e2cdca25a52d76abb2e0d788c25160af9b80ce284ab14712becc0f6f72b15346a26ce303c5ac55

  • SSDEEP

    12288:yxgI0dWJIjX6fhWpQ4rtezVzcLbVKWZr3nGBmIrGtbLLuFrv:yxgw86pWpH5e1+pKqrFJbLLuF7

Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

blackzx.no-ip.biz:1000

blackzx.no-ip.biz:1100

blackzx.no-ip.org:1000

blackzx.no-ip.org:1100

192.168.1.18:1000

192.168.1.18:1100
Mutex

DC_MUTEX-JJBRJLQ

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    LY2bPQlAggis

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_e89a7e3fde0f04f5a642d8005fdd6e31

    • Size

      741KB

    • MD5

      e89a7e3fde0f04f5a642d8005fdd6e31

    • SHA1

      8474c5a2cdb160ba0a85abacffbba9ffb877ad5d

    • SHA256

      68da8a52988ae5bfa45dd057a4de0868090d03de44a8c17147bfac29699f54f3

    • SHA512

      5d808b25813591b55f8c28a2b1009ef2d13444dc7ed11ec3b2e2cdca25a52d76abb2e0d788c25160af9b80ce284ab14712becc0f6f72b15346a26ce303c5ac55

    • SSDEEP

      12288:yxgI0dWJIjX6fhWpQ4rtezVzcLbVKWZr3nGBmIrGtbLLuFrv:yxgw86pWpH5e1+pKqrFJbLLuF7

    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

    • Windows security bypass

      defense_evasiontrojan

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks