Overview

overview

10

Static

static

5

bd5b7d938e...55.exe

windows7-x64

10

bd5b7d938e...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bd5b7d938e9239a63dd3cd7a983f9f55

  • Size

    1.8MB

  • Sample

    240310-caw56ahf5t

  • MD5

    bd5b7d938e9239a63dd3cd7a983f9f55

  • SHA1

    615f62ddd511d4c13b9f2765394ddf5977050398

  • SHA256

    1529bd2480155dd41221b9729b08f0a14d718aea591ee7d1b0b9406f5687c606

  • SHA512

    3fca63dd2adc40581e774e229ba70ac91e2566d9d53c742dde1b43fd65299e45b6758b0abfc692e9229d8f7ec62e1bd0c5f611504bbc34f61c42babb91a21f22

  • SSDEEP

    49152:vkwkn9IMHeaHw0dWXPUYsUt0G0bIA4aIXaPCS:8dnVjMX1tt0EA40PC

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

10.10.0.100:1604

Mutex

DC_MUTEX-CK91ZJ9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Fk5GVHWLTpJu

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      bd5b7d938e9239a63dd3cd7a983f9f55

    • Size

      1.8MB

    • MD5

      bd5b7d938e9239a63dd3cd7a983f9f55

    • SHA1

      615f62ddd511d4c13b9f2765394ddf5977050398

    • SHA256

      1529bd2480155dd41221b9729b08f0a14d718aea591ee7d1b0b9406f5687c606

    • SHA512

      3fca63dd2adc40581e774e229ba70ac91e2566d9d53c742dde1b43fd65299e45b6758b0abfc692e9229d8f7ec62e1bd0c5f611504bbc34f61c42babb91a21f22

    • SSDEEP

      49152:vkwkn9IMHeaHw0dWXPUYsUt0G0bIA4aIXaPCS:8dnVjMX1tt0EA40PC

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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