Overview

overview

10

Static

static

8

26b3f94f93...96.exe

windows7-x64

10

26b3f94f93...96.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    26b3f94f9365165f82b1ee005a0edd82d2a17736c51929d112b2bc93eda83d96

  • Size

    500KB

  • Sample

    221125-x97fdsdd6z

  • MD5

    cb33d7a4fc859295229b02ae68616319

  • SHA1

    cf50c142931029523b9d9e324007ddc76854ce1a

  • SHA256

    26b3f94f9365165f82b1ee005a0edd82d2a17736c51929d112b2bc93eda83d96

  • SHA512

    82d0bf6aa5ded0e508a9c8e899fd1e21a117a4123d900a65c30244de2de3cccaa8304dcb288df75da256e29becd83d0f4ad7c828c2f1b3aef53167f962cbc695

  • SSDEEP

    12288:8enj9tNRgj7lKLVajxrzBViuU+EoSK5VmuZvYmbV:jfaBKaRljX5VmIQI

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

millanman.no-ip.org:200

Mutex

DC_MUTEX-1K6MQ48

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    lBPaol2uFc1q

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      26b3f94f9365165f82b1ee005a0edd82d2a17736c51929d112b2bc93eda83d96

    • Size

      500KB

    • MD5

      cb33d7a4fc859295229b02ae68616319

    • SHA1

      cf50c142931029523b9d9e324007ddc76854ce1a

    • SHA256

      26b3f94f9365165f82b1ee005a0edd82d2a17736c51929d112b2bc93eda83d96

    • SHA512

      82d0bf6aa5ded0e508a9c8e899fd1e21a117a4123d900a65c30244de2de3cccaa8304dcb288df75da256e29becd83d0f4ad7c828c2f1b3aef53167f962cbc695

    • SSDEEP

      12288:8enj9tNRgj7lKLVajxrzBViuU+EoSK5VmuZvYmbV:jfaBKaRljX5VmIQI

    Score
    10/10
    darkcometguest16persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks