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Overview

overview

10

Static

static

4f14b97c7a...cd.exe

windows7-x64

10

4f14b97c7a...cd.exe

windows10-2004-x64

10

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General

  • Target

    4f14b97c7ab69709f262f8ef0bb4fab6073a05fe28481fb85d1ef698552c41cd

  • Size

    316KB

  • Sample

    220919-g7bb6scba6

  • MD5

    57a8ba5e980c285cc124f766aab57a90

  • SHA1

    a2de9ff2121b705cf471a0eb88f379ea22ee0fae

  • SHA256

    4f14b97c7ab69709f262f8ef0bb4fab6073a05fe28481fb85d1ef698552c41cd

  • SHA512

    9562c65d46c9cfac30734ed4ff65a9c94769967a90fb02ec3a3bea520c77afd2a7571836bfe27cedf6d92c50ab448231592fb48e1c032ba799482ed557997265

  • SSDEEP

    6144:RHjwI7Ro8vT91lV7bjFZaChLXMe65ytmZLL0MdWnpQZh9h4/:ZjwARb91lVTFRjaYsuMd0QZh9u/

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      4f14b97c7ab69709f262f8ef0bb4fab6073a05fe28481fb85d1ef698552c41cd

    • Size

      316KB

    • MD5

      57a8ba5e980c285cc124f766aab57a90

    • SHA1

      a2de9ff2121b705cf471a0eb88f379ea22ee0fae

    • SHA256

      4f14b97c7ab69709f262f8ef0bb4fab6073a05fe28481fb85d1ef698552c41cd

    • SHA512

      9562c65d46c9cfac30734ed4ff65a9c94769967a90fb02ec3a3bea520c77afd2a7571836bfe27cedf6d92c50ab448231592fb48e1c032ba799482ed557997265

    • SSDEEP

      6144:RHjwI7Ro8vT91lV7bjFZaChLXMe65ytmZLL0MdWnpQZh9h4/:ZjwARb91lVTFRjaYsuMd0QZh9u/

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks