Overview

overview

10

Static

static

10

21c432444c...88.exe

windows7_x64

10

21c432444c...88.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    21c432444c6b47354e2d0ed98e3b00b46d26e669fbf83f611c6fb3265cde2588

  • Size

    658KB

  • Sample

    220708-sqg9yahhb6

  • MD5

    d8c8cc55848f574b2391e10900e76541

  • SHA1

    22b7ddb86e731f88482afa55302f198935593ff8

  • SHA256

    21c432444c6b47354e2d0ed98e3b00b46d26e669fbf83f611c6fb3265cde2588

  • SHA512

    a47e10bd0fc5a859e869d44c1df795d5afa1efa9c762927aa337d2ebf5568c5650aeb374ef79194892499f92a421a272e27f60400371dae911012fe2a405c5cc

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

192.168.0.102:1604

Mutex

DCMIN_MUTEX-CY8W592

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    TMDgikwNbn2s

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Zmeyka

Targets

    • Target

      21c432444c6b47354e2d0ed98e3b00b46d26e669fbf83f611c6fb3265cde2588

    • Size

      658KB

    • MD5

      d8c8cc55848f574b2391e10900e76541

    • SHA1

      22b7ddb86e731f88482afa55302f198935593ff8

    • SHA256

      21c432444c6b47354e2d0ed98e3b00b46d26e669fbf83f611c6fb3265cde2588

    • SHA512

      a47e10bd0fc5a859e869d44c1df795d5afa1efa9c762927aa337d2ebf5568c5650aeb374ef79194892499f92a421a272e27f60400371dae911012fe2a405c5cc

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks