General

  • Target

    F-Launcher.exe

  • Size

    1.1MB

  • Sample

    210721-837hcs8ef6

  • MD5

    6c592736cf6ae24c1d7e5d051234fdbd

  • SHA1

    dcfddb9aed55a79e38287ddd4e849728d61b67c7

  • SHA256

    846d82f6f9d6b965ef683cd91724d72917263cf21e9f0f7e4ed2cb4f1ceacce8

  • SHA512

    e5d7692eec1fbdf05c87164951d93a911c0c2308e700d5b7543852c98d31fddfc2c2ed043a514def3a1d9e5fe7317b3771f148dad2c900a3e58e3454e1e6fad1

Malware Config

Extracted

Family

darkcomet

Botnet

GG

C2

secret92.ddns.net:82

Mutex

DC_MUTEX-A6ET8RQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oqyLUmi211Cb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

secret92.ddns.net:8082

Mutex

0c3398f1458

Attributes
  • reg_key

    0c3398f1458

  • splitter

    @!#&^%$

Targets

    • Target

      F-Launcher.exe

    • Size

      1.1MB

    • MD5

      6c592736cf6ae24c1d7e5d051234fdbd

    • SHA1

      dcfddb9aed55a79e38287ddd4e849728d61b67c7

    • SHA256

      846d82f6f9d6b965ef683cd91724d72917263cf21e9f0f7e4ed2cb4f1ceacce8

    • SHA512

      e5d7692eec1fbdf05c87164951d93a911c0c2308e700d5b7543852c98d31fddfc2c2ed043a514def3a1d9e5fe7317b3771f148dad2c900a3e58e3454e1e6fad1

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks