Overview

overview

10

Static

static

10

niggt.exe

windows10-ltsc 2021-x64

10

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General

  • Target

    niggt.exe

  • Size

    690KB

  • Sample

    241210-vfmg1swjck

  • MD5

    4c9704749ddbb514b5c60184f13fe7e7

  • SHA1

    20e83ba94bda82acd3bd89a012b22143cc1ddb94

  • SHA256

    109ebb16b070770f48359880d6f643c23612a1bb56054790c164b0cde4312880

  • SHA512

    2d964ebb467e0ac41904dd8650ecfc4386da1e7ec52727a665239586809b52faec72c7e7ecf7e93b7b4dcb36c69dc239d79772bab4e9d6b57800b09691f9fabc

  • SSDEEP

    12288:F9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h2x:PZ1xuVVjfFoynPaVBUR8f+kN10EBk

Score
10/10
darkcometguest16discoveryevasionpersistenceransomwarerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

rose324-37147.portmap.host:37147

Mutex

DC_MUTEX-2DNRPLM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    tLDL0GjSYFsS

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    realtekaudio

Targets

    • Target

      niggt.exe

    • Size

      690KB

    • MD5

      4c9704749ddbb514b5c60184f13fe7e7

    • SHA1

      20e83ba94bda82acd3bd89a012b22143cc1ddb94

    • SHA256

      109ebb16b070770f48359880d6f643c23612a1bb56054790c164b0cde4312880

    • SHA512

      2d964ebb467e0ac41904dd8650ecfc4386da1e7ec52727a665239586809b52faec72c7e7ecf7e93b7b4dcb36c69dc239d79772bab4e9d6b57800b09691f9fabc

    • SSDEEP

      12288:F9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h2x:PZ1xuVVjfFoynPaVBUR8f+kN10EBk

    Score
    10/10
    darkcometguest16discoveryevasionpersistenceransomwarerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

8
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks