Overview

overview

10

Static

static

Purchase O...61.exe

windows7_x64

10

Purchase O...61.exe

windows10_x64

10

Sharing

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General

  • Target
    Purchase Order 461.exe
  • Size 2.0MB
  • Sample210917-qszwnaafaq
  • SHA256 b6191c6a038f6d49e6941f00ded6a45cf3050ff0a2ecea3a3b3b462dc580f352
  • MD5 SHA1 SHA512
Score
10/10
darkcometseptember 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • SeptemBER 2021

C2

  • bonding79.ddns.net:3316

  • goodgt79.ddns.net:3316

  • whatis79.ddns.net:3316

  • smath79.ddns.net:3316

  • jacknop79.ddns.net:3316

  • chrisle79.ddns.net:3316

Mutex

  • DC_MUTEX-6JQTXC0

Attributes
  • gencode

    cVaduGzs7zFu

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target
      Purchase Order 461.exe
    • Size 2.0MB
    • SHA256 b6191c6a038f6d49e6941f00ded6a45cf3050ff0a2ecea3a3b3b462dc580f352
    • MD5 SHA1 SHA512
    Score
    10/10
    darkcometseptember 2021evasionpersistencerattrojan

    • 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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

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

      evasion

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks