Overview

overview

10

Static

static

4787475f9d...75.exe

windows7-x64

10

4787475f9d...75.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4787475f9db3bcd0753330fa904898e5ba4f63401d09a20929036e8ab512ba75

  • Size

    1.1MB

  • Sample

    221107-cf68bacdd6

  • MD5

    058d38212447c0e8164820368f6f3d6f

  • SHA1

    8f2d6bc502fd1c863ff962dd8e59c10558017507

  • SHA256

    4787475f9db3bcd0753330fa904898e5ba4f63401d09a20929036e8ab512ba75

  • SHA512

    f8e569fa81ff401c340bf3367ce86113c7c4fec76e52a170b7fdd102a19c9e22ae4fce97fd843a34bd6a5b8d154b8df055395abd5490d8eedd1cdd7c5a287118

  • SSDEEP

    24576:LSZxSDTIfGPjHX6AqVizETalNJiKPDtM+oXB5uc2zedaa4k9+slgf:LSTOTr36AqAzaWMFR5oadaagso

Score
10/10
darkcomet01persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

01

C2

geoecon.no-ip.org:1604

Mutex

DC_MUTEX-CZN9ESJ

Attributes
  • InstallPath

    Temps\msdcsc.exe

  • gencode

    BdpaYroRpCHK

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svhost

Targets

    • Target

      4787475f9db3bcd0753330fa904898e5ba4f63401d09a20929036e8ab512ba75

    • Size

      1.1MB

    • MD5

      058d38212447c0e8164820368f6f3d6f

    • SHA1

      8f2d6bc502fd1c863ff962dd8e59c10558017507

    • SHA256

      4787475f9db3bcd0753330fa904898e5ba4f63401d09a20929036e8ab512ba75

    • SHA512

      f8e569fa81ff401c340bf3367ce86113c7c4fec76e52a170b7fdd102a19c9e22ae4fce97fd843a34bd6a5b8d154b8df055395abd5490d8eedd1cdd7c5a287118

    • SSDEEP

      24576:LSZxSDTIfGPjHX6AqVizETalNJiKPDtM+oXB5uc2zedaa4k9+slgf:LSTOTr36AqAzaWMFR5oadaagso

    Score
    10/10
    darkcomet01persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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

    • Drops file in System32 directory

    • 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