Overview

overview

10

Static

static

b3eb6702e0...c3.exe

windows7-x64

10

b3eb6702e0...c3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3eb6702e0c53c449edc916b47d5e79de906753f4411b8ce3ad449047f9631c3

  • Size

    972KB

  • Sample

    221205-kbydlsbg49

  • MD5

    3c5a2a4d513d76e574a31376b6c73e37

  • SHA1

    af87db03a59ff584834f662047a2401cb51d486f

  • SHA256

    b3eb6702e0c53c449edc916b47d5e79de906753f4411b8ce3ad449047f9631c3

  • SHA512

    411df3abc9ad30d4bc91e7e654ae2f21e32e5b7dd136762991326e4a378b7a17cbba03acd1912aa57bdc98fd95f73f56e93e10f21fc6c79b252a3ccfb6d0a956

  • SSDEEP

    24576:BTr75aGVQP0qdrzR7JKH4UcUFoTKCTThKiD/dSo:BX75aVrrl7JW3cwoTPP

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      b3eb6702e0c53c449edc916b47d5e79de906753f4411b8ce3ad449047f9631c3

    • Size

      972KB

    • MD5

      3c5a2a4d513d76e574a31376b6c73e37

    • SHA1

      af87db03a59ff584834f662047a2401cb51d486f

    • SHA256

      b3eb6702e0c53c449edc916b47d5e79de906753f4411b8ce3ad449047f9631c3

    • SHA512

      411df3abc9ad30d4bc91e7e654ae2f21e32e5b7dd136762991326e4a378b7a17cbba03acd1912aa57bdc98fd95f73f56e93e10f21fc6c79b252a3ccfb6d0a956

    • SSDEEP

      24576:BTr75aGVQP0qdrzR7JKH4UcUFoTKCTThKiD/dSo:BX75aVrrl7JW3cwoTPP

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks