Overview

overview

10

Static

static

10

8fb3743555...af.exe

windows7-x64

10

8fb3743555...af.exe

windows10-2004-x64

10

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General

  • Target

    8fb374355555668aa53a5392cb1f28a40e9bfec92b56d534c75535afb359a6af

  • Size

    658KB

  • Sample

    220725-ajlpnsfabq

  • MD5

    2618469009a966d50a96f5d0ece5de29

  • SHA1

    c6b5f023ee29ab7d260269b5d2c8ab991970c9ef

  • SHA256

    8fb374355555668aa53a5392cb1f28a40e9bfec92b56d534c75535afb359a6af

  • SHA512

    201c795dc5920b041c84d4c11c0ecc76126a013dd7a4c08e37ddeda260fc2cc6d91d4bbfb817823ca9d5948c307e4ae2041390d9825aec947040a4274f404fae

Score
10/10
darkcomettrojanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

TROJAN

C2

zaharpidor4.ddns.net:1604

Mutex

DC_MUTEX-70W2C6R

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gsmv1ZVBseQD

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    VIRUS

Targets

    • Target

      8fb374355555668aa53a5392cb1f28a40e9bfec92b56d534c75535afb359a6af

    • Size

      658KB

    • MD5

      2618469009a966d50a96f5d0ece5de29

    • SHA1

      c6b5f023ee29ab7d260269b5d2c8ab991970c9ef

    • SHA256

      8fb374355555668aa53a5392cb1f28a40e9bfec92b56d534c75535afb359a6af

    • SHA512

      201c795dc5920b041c84d4c11c0ecc76126a013dd7a4c08e37ddeda260fc2cc6d91d4bbfb817823ca9d5948c307e4ae2041390d9825aec947040a4274f404fae

    Score
    10/10
    darkcomettrojanevasionpersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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