Overview

overview

10

Static

static

10

bootrapper.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bootrapper.exe

  • Size

    659KB

  • Sample

    241224-tj5x4a1mhx

  • MD5

    47d6f4568c595516da96c145041a3cb5

  • SHA1

    c154426bdaaf8c990a7b74e66704b5bb1d211e9b

  • SHA256

    b2bf2e2342c30fa96bf81879c95051176487b952795c2518a43af4985cb4c7cf

  • SHA512

    6560d49aa1e2f179b9207cfd424e69a4805a696fd6ac5c7d2227fbfa8fe02bb52e9798ce7db91e666475b841dd0e118514f2e8f512c5e7cfc4c5b9d8a5c3f6c2

  • SSDEEP

    12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hQ:uZ1xuVVjfFoynPaVBUR8f+kN10EBa

Score
10/10
darkcometguest165discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest165

C2

rose324-33082.portmap.host:33082

Mutex

DC_MUTEX-VFEJX89

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    pmatwZA6QE8v

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    realtekaudio

Targets

    • Target

      bootrapper.exe

    • Size

      659KB

    • MD5

      47d6f4568c595516da96c145041a3cb5

    • SHA1

      c154426bdaaf8c990a7b74e66704b5bb1d211e9b

    • SHA256

      b2bf2e2342c30fa96bf81879c95051176487b952795c2518a43af4985cb4c7cf

    • SHA512

      6560d49aa1e2f179b9207cfd424e69a4805a696fd6ac5c7d2227fbfa8fe02bb52e9798ce7db91e666475b841dd0e118514f2e8f512c5e7cfc4c5b9d8a5c3f6c2

    • SSDEEP

      12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hQ:uZ1xuVVjfFoynPaVBUR8f+kN10EBa

    Score
    10/10
    darkcometguest165discoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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
    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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
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

Tasks