General

  • Target

    1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d.exe

  • Size

    2.8MB

  • Sample

    241221-cqtd7szmct

  • MD5

    636eca2de789ef5733f243cd5f696d3e

  • SHA1

    e346d7c38fb89e58059ef4223de0fbf9231d6735

  • SHA256

    1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d

  • SHA512

    f55d4eea8f3d251fe157c6b3af2bd3d9fea330a2141b2b8d0c5ffcf4339362b3b0bed30cc9b71e52d3c70074ad95a6a64a93f99aefc1d9c41211d4d293d6ab0d

  • SSDEEP

    49152:MuKEsPLkHAcks/UXiMnGgLfgTtdJFPWWlo03rwQj:hsPLkHAhSUXHGgkxdvPWWld

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

xworm

C2

xclient.fahrerscheinonlineholen.de:2489

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot8174428401:AAHxlGtOg4tsy0J0kYm7h8822BuHfnk8vKQ/sendMessage?chat_id=1434988227

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

hgzuiajogwnqs

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/dDuwSpUA

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8174428401:AAHxlGtOg4tsy0J0kYm7h8822BuHfnk8vKQ/sendMessage?chat_id=1434988227

Targets

    • Target

      1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d.exe

    • Size

      2.8MB

    • MD5

      636eca2de789ef5733f243cd5f696d3e

    • SHA1

      e346d7c38fb89e58059ef4223de0fbf9231d6735

    • SHA256

      1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d

    • SHA512

      f55d4eea8f3d251fe157c6b3af2bd3d9fea330a2141b2b8d0c5ffcf4339362b3b0bed30cc9b71e52d3c70074ad95a6a64a93f99aefc1d9c41211d4d293d6ab0d

    • SSDEEP

      49152:MuKEsPLkHAcks/UXiMnGgLfgTtdJFPWWlo03rwQj:hsPLkHAhSUXHGgkxdvPWWld

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks