Overview

overview

10

Static

static

10

343726e33a...08.exe

windows7-x64

10

343726e33a...08.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    343726e33afc7a951c5e9075a178b608

  • Size

    725KB

  • Sample

    231231-nh7gmsfgh8

  • MD5

    343726e33afc7a951c5e9075a178b608

  • SHA1

    df3aefa08e35b55fade041ad740ae76b9cae6408

  • SHA256

    9d05eb381c6e21b36c720b02cf48019ada67c029468b05f6aaaeee12a9fffe26

  • SHA512

    b25579d32ffb3ce5485d959675b7738805caa13d7180e01fbbbd909306da20efa0a1641b6b7c682b07fa64d7d9d72503571e9435d9214e751bfa612307889879

  • SSDEEP

    12288:h9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/d:bZ1xuVVjfFoynPaVBUR8f+kN10Ed

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

127.0.0.1:1604

185.29.120.189:1604
Mutex

DC_MUTEX-C85CWU2

Attributes
  • InstallPath

    S1\updater.exe

  • gencode

    DlWfWyuahoYK

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Windows Firewall

Targets

    • Target

      343726e33afc7a951c5e9075a178b608

    • Size

      725KB

    • MD5

      343726e33afc7a951c5e9075a178b608

    • SHA1

      df3aefa08e35b55fade041ad740ae76b9cae6408

    • SHA256

      9d05eb381c6e21b36c720b02cf48019ada67c029468b05f6aaaeee12a9fffe26

    • SHA512

      b25579d32ffb3ce5485d959675b7738805caa13d7180e01fbbbd909306da20efa0a1641b6b7c682b07fa64d7d9d72503571e9435d9214e751bfa612307889879

    • SSDEEP

      12288:h9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/d:bZ1xuVVjfFoynPaVBUR8f+kN10Ed

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • 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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks