Overview

overview

10

Static

static

3

3aa938947d...18.exe

windows7-x64

10

3aa938947d...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3aa938947de75fa63f5ab13fe304b8d0_JaffaCakes118

  • Size

    352KB

  • Sample

    240711-zljqjawbnf

  • MD5

    3aa938947de75fa63f5ab13fe304b8d0

  • SHA1

    4785f8410d8965d820a6ea2eadc07919ed9e48b8

  • SHA256

    374fe73b66cbf8f56613e2450cacb937a056dd1ae9ec981db569d4ed7b484d0f

  • SHA512

    9b952c2eab763f34cc1238d4ab3641e83a67cedba42d7682cb3085fbfac31e54a0300cd835fe7416dc44962de63343ff81f995cb95b87cebc3f9ea8230a9d9d5

  • SSDEEP

    6144:3AJ8nxl5iBdaelvaCx76UfnUQYbUOOKDH5SRwGLHtJA1LW3jWdW:33xfwJNDPUJbUO4pLNJA1lW

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-KPVUC5P

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    jfQgcNRgX66M

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      3aa938947de75fa63f5ab13fe304b8d0_JaffaCakes118

    • Size

      352KB

    • MD5

      3aa938947de75fa63f5ab13fe304b8d0

    • SHA1

      4785f8410d8965d820a6ea2eadc07919ed9e48b8

    • SHA256

      374fe73b66cbf8f56613e2450cacb937a056dd1ae9ec981db569d4ed7b484d0f

    • SHA512

      9b952c2eab763f34cc1238d4ab3641e83a67cedba42d7682cb3085fbfac31e54a0300cd835fe7416dc44962de63343ff81f995cb95b87cebc3f9ea8230a9d9d5

    • SSDEEP

      6144:3AJ8nxl5iBdaelvaCx76UfnUQYbUOOKDH5SRwGLHtJA1LW3jWdW:33xfwJNDPUJbUO4pLNJA1lW

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks