Overview

overview

10

Static

static

10

c5be3c9e53...74.exe

windows7-x64

10

c5be3c9e53...74.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c5be3c9e53ef194830f4e848edc65151b489c0b36ff87d4436ce2659e6268f74

  • Size

    690KB

  • Sample

    221201-l1llsagb86

  • MD5

    867fdf47b1f21ee81d355a155d82944c

  • SHA1

    b20b41787ff9663c28f77e2ed80a81e0288ff682

  • SHA256

    c5be3c9e53ef194830f4e848edc65151b489c0b36ff87d4436ce2659e6268f74

  • SHA512

    de44f8b7c25133045c84557c9fd375a272342029b83de3e8c2f879599355c0e6086b326fcb5817cfb94a37ec81057c4d7ece73df0b3f76b9a32b9a40f66a92bf

  • SSDEEP

    12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hML:jZ1xuVVjfFoynPaVBUR8f+kN10EBs

Score
10/10
darkcomet2persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

2

C2

simstest123.no-ip.org:1604

Mutex

DC_MUTEX-CWSWDQX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    mvzAYJj1V4Wx

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    serives1f

Targets

    • Target

      c5be3c9e53ef194830f4e848edc65151b489c0b36ff87d4436ce2659e6268f74

    • Size

      690KB

    • MD5

      867fdf47b1f21ee81d355a155d82944c

    • SHA1

      b20b41787ff9663c28f77e2ed80a81e0288ff682

    • SHA256

      c5be3c9e53ef194830f4e848edc65151b489c0b36ff87d4436ce2659e6268f74

    • SHA512

      de44f8b7c25133045c84557c9fd375a272342029b83de3e8c2f879599355c0e6086b326fcb5817cfb94a37ec81057c4d7ece73df0b3f76b9a32b9a40f66a92bf

    • SSDEEP

      12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hML:jZ1xuVVjfFoynPaVBUR8f+kN10EBs

    Score
    10/10
    darkcomet2persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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