Overview

overview

10

Static

static

10

39d7a5ddfc...36.exe

windows7-x64

10

39d7a5ddfc...36.exe

windows10-2004-x64

10

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General

  • Target

    39d7a5ddfc61d4ce34e76bf080d69a02574705068506ae7508347199336c3f36

  • Size

    690KB

  • Sample

    220725-aje7wsefh8

  • MD5

    b1054ce8f34ae583487bd889bf03fb39

  • SHA1

    405a0010eda09b5878596a7d91abf0ffe58634db

  • SHA256

    39d7a5ddfc61d4ce34e76bf080d69a02574705068506ae7508347199336c3f36

  • SHA512

    5f03041137cb4fb942b96f8d6e2f44849be7d393b9f7231581ad6637d8ebba7864c38defe922f238661dc525e6d2dc726e3e456cbc540f977b13162100629345

Score
10/10
darkcometguest16evasionpersistence

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

vilivonka.ddns.net:1604

188.163.96.119:1604
Mutex

DC_MUTEX-TMB3S06

Attributes
  • InstallPath

    MSDCSC\java

  • gencode

    LNiB56tYoyU1

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    svhost

Targets

    • Target

      39d7a5ddfc61d4ce34e76bf080d69a02574705068506ae7508347199336c3f36

    • Size

      690KB

    • MD5

      b1054ce8f34ae583487bd889bf03fb39

    • SHA1

      405a0010eda09b5878596a7d91abf0ffe58634db

    • SHA256

      39d7a5ddfc61d4ce34e76bf080d69a02574705068506ae7508347199336c3f36

    • SHA512

      5f03041137cb4fb942b96f8d6e2f44849be7d393b9f7231581ad6637d8ebba7864c38defe922f238661dc525e6d2dc726e3e456cbc540f977b13162100629345

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks