Overview

overview

10

Static

static

5

7c5a0a556d...dc.exe

windows7-x64

10

7c5a0a556d...dc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7c5a0a556d1726082f301f91ce45bc500f67a7a0bfebe3946be777060368ffdc

  • Size

    1.5MB

  • Sample

    221126-ckxjnshb2x

  • MD5

    d538e0d54e60e10395575cad37ebe192

  • SHA1

    2bbc96bfe9feaddd84a6e6b1fca1ebd2fc922313

  • SHA256

    7c5a0a556d1726082f301f91ce45bc500f67a7a0bfebe3946be777060368ffdc

  • SHA512

    506dcf8faaf245e2030d4a46e7385033f386c38adb73751493f534e126ce2afb656d0b4c4aa0919fb63d36d11f7724cd4f639f678ef185030a3497e74cb85d1c

  • SSDEEP

    24576:Mtb20pkaCqT5TBWgNQ7aIqudDUo3IR9S2DIe6wMFZum5HKg6A:1Vg5tQ7a6QSxee5H75

Score
10/10
darkcometbtcpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

BTC

C2

zw23.hopper.pw:64202

Mutex

DC_MUTEX-GGA8YL2

Attributes
  • InstallPath

    svchost\svchost.exe

  • gencode

    lWvefMLzfSyz

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Host Process for Windows Services

Targets

    • Target

      7c5a0a556d1726082f301f91ce45bc500f67a7a0bfebe3946be777060368ffdc

    • Size

      1.5MB

    • MD5

      d538e0d54e60e10395575cad37ebe192

    • SHA1

      2bbc96bfe9feaddd84a6e6b1fca1ebd2fc922313

    • SHA256

      7c5a0a556d1726082f301f91ce45bc500f67a7a0bfebe3946be777060368ffdc

    • SHA512

      506dcf8faaf245e2030d4a46e7385033f386c38adb73751493f534e126ce2afb656d0b4c4aa0919fb63d36d11f7724cd4f639f678ef185030a3497e74cb85d1c

    • SSDEEP

      24576:Mtb20pkaCqT5TBWgNQ7aIqudDUo3IR9S2DIe6wMFZum5HKg6A:1Vg5tQ7a6QSxee5H75

    Score
    10/10
    darkcometbtcpersistencerattrojan

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    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