General

  • Target

    8370e88ac5befe61ac995afffad27892681dc44a854a50a028a977cdc945f1fc.exe

  • Size

    2.9MB

  • Sample

    241221-dajeqs1mdl

  • MD5

    5bcc85cf578615240ebb1808bb7a05c0

  • SHA1

    271e542f554ea879dbffc67a83262ce63dfa5a22

  • SHA256

    8370e88ac5befe61ac995afffad27892681dc44a854a50a028a977cdc945f1fc

  • SHA512

    f675e2fbc5e86cb8d649016b24bfbe343416ce71012d257670f4d18d1bafea26658aace3ea9c2fa014b3dd8bd81030b8182fa16d601f02920c1171bb3597d715

  • SSDEEP

    49152:7+aAxr1Ly/YE4/nOllylqGrpegcw3jCB+4oi:7+aAxRNElylqGrpegDs+4oi

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

lumma

Extracted

Family

gurcu

C2

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

Targets

    • Target

      8370e88ac5befe61ac995afffad27892681dc44a854a50a028a977cdc945f1fc.exe

    • Size

      2.9MB

    • MD5

      5bcc85cf578615240ebb1808bb7a05c0

    • SHA1

      271e542f554ea879dbffc67a83262ce63dfa5a22

    • SHA256

      8370e88ac5befe61ac995afffad27892681dc44a854a50a028a977cdc945f1fc

    • SHA512

      f675e2fbc5e86cb8d649016b24bfbe343416ce71012d257670f4d18d1bafea26658aace3ea9c2fa014b3dd8bd81030b8182fa16d601f02920c1171bb3597d715

    • SSDEEP

      49152:7+aAxr1Ly/YE4/nOllylqGrpegcw3jCB+4oi:7+aAxRNElylqGrpegDs+4oi

    • Amadey

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

    • Amadey 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Enumerates VirtualBox registry keys

    • 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.

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks