Overview

overview

10

Static

static

10

ss.scr

windows10-2004-x64

10

Sharing

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General

  • Target

    ss.scr

  • Size

    659KB

  • Sample

    241224-txz9rssjgn

  • MD5

    d45a90802125b3d7f9c852b84e2f4258

  • SHA1

    1904b4fc3212e30a991997622dfb25dcddcbbc9d

  • SHA256

    23b4f8c7077f5f9f6fbf62307543c12ba1fec9fdf5fa9e1d001c778e5ea4bc61

  • SHA512

    ade5b23ce6653f060a993e238a221f7f3637fd06556d4cfd0d61efb48e006f0a1e3159f6dbf42843483f965d292f75d57571ff20816f937929d6360f654d63b0

  • SSDEEP

    12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hf:aZ1xuVVjfFoynPaVBUR8f+kN10EBp

Score
10/10
darkcometguest1f63242mdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1f63242m

C2

rose324-64643.portmap.host:64643

Mutex

DC_MUTEX-X7EDN2P

Attributes
  • InstallPath

    MSDCSC\msdcsjc.exe

  • gencode

    TiHYA7QjFfAD

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    reahltekaudio

Targets

    • Target

      ss.scr

    • Size

      659KB

    • MD5

      d45a90802125b3d7f9c852b84e2f4258

    • SHA1

      1904b4fc3212e30a991997622dfb25dcddcbbc9d

    • SHA256

      23b4f8c7077f5f9f6fbf62307543c12ba1fec9fdf5fa9e1d001c778e5ea4bc61

    • SHA512

      ade5b23ce6653f060a993e238a221f7f3637fd06556d4cfd0d61efb48e006f0a1e3159f6dbf42843483f965d292f75d57571ff20816f937929d6360f654d63b0

    • SSDEEP

      12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hf:aZ1xuVVjfFoynPaVBUR8f+kN10EBp

    Score
    10/10
    darkcometguest1f63242mdiscoveryevasionpersistencerattrojan

    • 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
    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

7
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