Overview

overview

10

Static

static

f5e66d4420...cd.exe

windows7-x64

10

f5e66d4420...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f5e66d442091eee7ac6ee962077b6555535429c94df82e6ff1331329e2f029cd

  • Size

    696KB

  • Sample

    221125-lpl36sgf32

  • MD5

    fa6817c001c89663999ff6d3c7fdb639

  • SHA1

    3ec2e03437a1e8d0a1ab16588a73faf8879e8741

  • SHA256

    f5e66d442091eee7ac6ee962077b6555535429c94df82e6ff1331329e2f029cd

  • SHA512

    edf3a2a240f78960586b1e6a552fd912859445298e5397fb97d1d0de29c48b93330bafde307448005989065dcaaf06bfce91e419ef0320ef4bc256fa3ddc386b

  • SSDEEP

    12288:C/BJPqODJXXn3n0kZJc+vZi3G0khHCpp1tlAhpxz:6qOJXnkk/c2wW064dlY

Score
10/10
darkcometspypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Spy

C2

127.0.0.1:1604

nibiru3.duckdns.org:1604

nibiru33.duckdns.org:1604
Mutex

DC_MUTEX-QE733CL

Attributes
  • InstallPath

    MSDCSC\Audio Realtek Driver.exe

  • gencode

    R3iDnMXzRFHM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Audio Realtek Driver

Targets

    • Target

      f5e66d442091eee7ac6ee962077b6555535429c94df82e6ff1331329e2f029cd

    • Size

      696KB

    • MD5

      fa6817c001c89663999ff6d3c7fdb639

    • SHA1

      3ec2e03437a1e8d0a1ab16588a73faf8879e8741

    • SHA256

      f5e66d442091eee7ac6ee962077b6555535429c94df82e6ff1331329e2f029cd

    • SHA512

      edf3a2a240f78960586b1e6a552fd912859445298e5397fb97d1d0de29c48b93330bafde307448005989065dcaaf06bfce91e419ef0320ef4bc256fa3ddc386b

    • SSDEEP

      12288:C/BJPqODJXXn3n0kZJc+vZi3G0khHCpp1tlAhpxz:6qOJXnkk/c2wW064dlY

    Score
    10/10
    darkcometspypersistencerattrojan

    • 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

    • 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