Overview

overview

10

Static

static

10

cc3f785568...37.exe

windows7-x64

10

cc3f785568...37.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cc3f7855682a8b1c89973a2ba57c21af884f5f9487149e1bee8b258161bc7237

  • Size

    756KB

  • Sample

    221129-rhryqsfg29

  • MD5

    7492e20402c6b8b0a59e276bda7319b8

  • SHA1

    fbaa2a0b58d6728b0e1dc08d13f9a9132277016e

  • SHA256

    cc3f7855682a8b1c89973a2ba57c21af884f5f9487149e1bee8b258161bc7237

  • SHA512

    02dfff656da997e75ca0ab99f6f8b51d5cf4d9cd709ff5779a36a8d57a386382c270a06ba31d89f9a417c24ffbb7230238f005815889844c5a38edd7814faa9f

  • SSDEEP

    12288:09HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hfU:4Z1xuVVjfFoynPaVBUR8f+kN10EBu

Score
10/10
darkcometkurban persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Kurban

C2

emincan.no-ip.org:1604

127.0.0.1:1604
Mutex

DC_MUTEX-YSZXZA3

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    EXR6B1nK6pfE

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Winupdater

Targets

    • Target

      cc3f7855682a8b1c89973a2ba57c21af884f5f9487149e1bee8b258161bc7237

    • Size

      756KB

    • MD5

      7492e20402c6b8b0a59e276bda7319b8

    • SHA1

      fbaa2a0b58d6728b0e1dc08d13f9a9132277016e

    • SHA256

      cc3f7855682a8b1c89973a2ba57c21af884f5f9487149e1bee8b258161bc7237

    • SHA512

      02dfff656da997e75ca0ab99f6f8b51d5cf4d9cd709ff5779a36a8d57a386382c270a06ba31d89f9a417c24ffbb7230238f005815889844c5a38edd7814faa9f

    • SSDEEP

      12288:09HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hfU:4Z1xuVVjfFoynPaVBUR8f+kN10EBu

    Score
    10/10
    darkcometkurban persistencerattrojan

    • 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.

    • Deletes itself

    • 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