General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    241221-nbd7hsyles

  • MD5

    76c2f75bf3efb5964c432f7661d22d58

  • SHA1

    521badd0c5d9f85986a7845b3163b82b87c0589d

  • SHA256

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

  • SHA512

    e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

  • SSDEEP

    49152:GcUejriX8cBywn04rFnpO3vNcDmq//ICH44JTD8K6QlO:GcUejrk8cANeDO3lamggM441De

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

amadey

Version

5.12

Botnet

d5db2d

C2

http://212.193.31.8

Attributes
  • install_dir

    e458d263c0

  • install_file

    Gxtuum.exe

  • strings_key

    0e18a2a9dd22cd0f87c9fba7075c3b39

  • url_paths

    /3ofn3jf3e2ljk2/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/bot7855878545:AAEEMUvgpX9jTAxlDd2gM_Sbv2jbI6-5_0o/sendMessage?chat_id=7427009775

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      76c2f75bf3efb5964c432f7661d22d58

    • SHA1

      521badd0c5d9f85986a7845b3163b82b87c0589d

    • SHA256

      939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

    • SHA512

      e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

    • SSDEEP

      49152:GcUejriX8cBywn04rFnpO3vNcDmq//ICH44JTD8K6QlO:GcUejrk8cANeDO3lamggM441De

    • 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

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Async RAT payload

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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.

    • 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