Overview

overview

10

Static

static

82d559a7e5...ec.exe

windows7-x64

10

82d559a7e5...ec.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    82d559a7e5b90b8c3844f5405388f31501d03771535ad69ec3b24f30f473e6ec

  • Size

    764KB

  • Sample

    221123-sx7heaff2t

  • MD5

    72424af22fd4bda472713106e905af9b

  • SHA1

    f2e8e93369c973daad899265d4308fd195a3ac28

  • SHA256

    82d559a7e5b90b8c3844f5405388f31501d03771535ad69ec3b24f30f473e6ec

  • SHA512

    4b3285af8793e71d58e91d2abfa76bbab4bf7e6e3d7035686f2af98d5b5950fdc551fab78654067b90c580a69f1c9fc78067e34517e47b4d20b2ebc23711bdc2

  • SSDEEP

    12288:hYmt0E2jF7bXNbG8a31+r+4jFn3udW5yDSNrSgXmtLc8/NU:hYFE2jNb9bGgjJemRX7mN

Score
10/10
darkcomet829persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

829

C2

kelgr95167.crabdance.com:4390

kelgr95167.crabdance.com:4391
Mutex

DC_MUTEX-RJ23YU3

Attributes
  • gencode

    cGAxaBVeCxjm

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Targets

    • Target

      82d559a7e5b90b8c3844f5405388f31501d03771535ad69ec3b24f30f473e6ec

    • Size

      764KB

    • MD5

      72424af22fd4bda472713106e905af9b

    • SHA1

      f2e8e93369c973daad899265d4308fd195a3ac28

    • SHA256

      82d559a7e5b90b8c3844f5405388f31501d03771535ad69ec3b24f30f473e6ec

    • SHA512

      4b3285af8793e71d58e91d2abfa76bbab4bf7e6e3d7035686f2af98d5b5950fdc551fab78654067b90c580a69f1c9fc78067e34517e47b4d20b2ebc23711bdc2

    • SSDEEP

      12288:hYmt0E2jF7bXNbG8a31+r+4jFn3udW5yDSNrSgXmtLc8/NU:hYFE2jNb9bGgjJemRX7mN

    Score
    10/10
    darkcomet829persistencerattrojan

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks