Overview

overview

10

Static

static

10

f.bin.exe

windows7_x64

10

f.bin.exe

windows10_x64

10

Sharing

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General

  • Target
    f.bin
  • Size 658KB
  • Sample210108-rl53n3fa7e
  • SHA256 1c876d45db060f5be86ab9a13496c0b280d3c6031f00bb4ffebae99566a9249b
  • MD5 SHA1 SHA512
Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • ImagineTyingToGetMyIp-31268.portmap.host:31268

Mutex

  • DC_MUTEX-B1A8DEL

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ZyDv1EUeB9PM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target
      f.bin
    • Size 658KB
    • SHA256 1c876d45db060f5be86ab9a13496c0b280d3c6031f00bb4ffebae99566a9249b
    • MD5 SHA1 SHA512
    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks