Overview

overview

10

Static

static

10

d1fcdfab25...1b.exe

windows7-x64

10

d1fcdfab25...1b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d1fcdfab2528836fe46050e62945ac2ed469093e87644c102aa5cebf4278201b

  • Size

    658KB

  • Sample

    221126-cgcp4adf47

  • MD5

    c8220b0dfa302111f1621d9ad0b677bf

  • SHA1

    7320a73872404ad0d9ed6745ff2568c62ebacdd8

  • SHA256

    d1fcdfab2528836fe46050e62945ac2ed469093e87644c102aa5cebf4278201b

  • SHA512

    fbba349103a60e6d30cd62e339e91a582076d15292bff7c0780218f7cbdf3f48d2835d35e341335247addc6a39a08ebee3e8bc6c7ec915be2d2dfe403c727e11

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hz:eZ1xuVVjfFoynPaVBUR8f+kN10EBh

Score
10/10
darkcometyoutubepersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

YouTube

C2

disorbs.no-ip.org:1604

Mutex

DC_MUTEX-EDGJS65

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    CHnkcJrx70WL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      d1fcdfab2528836fe46050e62945ac2ed469093e87644c102aa5cebf4278201b

    • Size

      658KB

    • MD5

      c8220b0dfa302111f1621d9ad0b677bf

    • SHA1

      7320a73872404ad0d9ed6745ff2568c62ebacdd8

    • SHA256

      d1fcdfab2528836fe46050e62945ac2ed469093e87644c102aa5cebf4278201b

    • SHA512

      fbba349103a60e6d30cd62e339e91a582076d15292bff7c0780218f7cbdf3f48d2835d35e341335247addc6a39a08ebee3e8bc6c7ec915be2d2dfe403c727e11

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hz:eZ1xuVVjfFoynPaVBUR8f+kN10EBh

    Score
    10/10
    darkcometyoutubepersistencerattrojan

    • 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