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Overview

overview

10

Static

static

10

f4baaba9c0...bb.exe

windows7-x64

10

f4baaba9c0...bb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f4baaba9c0ebc1cc971dc073976a09c2904bb4a44c4db9cdf28da9266bd2d0bb

  • Size

    254KB

  • Sample

    221126-cjvnpadg79

  • MD5

    ef2711be866414d385e6bbb815e89063

  • SHA1

    a37ca66873eaf900e63d2ba9423795a4a3c2b340

  • SHA256

    f4baaba9c0ebc1cc971dc073976a09c2904bb4a44c4db9cdf28da9266bd2d0bb

  • SHA512

    14975e3e97a3cb33cad1be88cb055452b111f946b7372690ff8fad7e3d78dcda2f64ffaac8c8d86ad4eff734789feb11bff3ac8c561fb604bbda036d19525f36

  • SSDEEP

    6144:ycNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0Pq:ycWkbgTYWnYnt/IDYhPq

Score
10/10
darkcometguest163evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest163

C2

kli4ka1989.ddns.net:1604

Mutex

DC_MUTEX-5XCBYZM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    pBfa4kKyXtru

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      f4baaba9c0ebc1cc971dc073976a09c2904bb4a44c4db9cdf28da9266bd2d0bb

    • Size

      254KB

    • MD5

      ef2711be866414d385e6bbb815e89063

    • SHA1

      a37ca66873eaf900e63d2ba9423795a4a3c2b340

    • SHA256

      f4baaba9c0ebc1cc971dc073976a09c2904bb4a44c4db9cdf28da9266bd2d0bb

    • SHA512

      14975e3e97a3cb33cad1be88cb055452b111f946b7372690ff8fad7e3d78dcda2f64ffaac8c8d86ad4eff734789feb11bff3ac8c561fb604bbda036d19525f36

    • SSDEEP

      6144:ycNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0Pq:ycWkbgTYWnYnt/IDYhPq

    Score
    10/10
    darkcometguest163evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks