General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241221-ag68laxmd1

  • MD5

    5c8cb972f2920bd6edc98690f1634958

  • SHA1

    73d87008bda6fd11921bfad989b48c09ce82b20f

  • SHA256

    246affa1629352f335434a02500b288a55592990b1b669a6a5cb112c20f04f8f

  • SHA512

    cc9c4e3d03b493778a2475b02e6d0fa14b27688ca09fdbef1ba2e7ace2bb6c591c5e93d0b4596ce1eb1c85252461089193a14390725f01fd4a2a4f1598e21d4d

  • SSDEEP

    49152:D5TQ0VpSQkbo7FoWKxx/X0+fI1HARitBDodeFIbi:NfVpSTl/xxPxfI1gRitao

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      5c8cb972f2920bd6edc98690f1634958

    • SHA1

      73d87008bda6fd11921bfad989b48c09ce82b20f

    • SHA256

      246affa1629352f335434a02500b288a55592990b1b669a6a5cb112c20f04f8f

    • SHA512

      cc9c4e3d03b493778a2475b02e6d0fa14b27688ca09fdbef1ba2e7ace2bb6c591c5e93d0b4596ce1eb1c85252461089193a14390725f01fd4a2a4f1598e21d4d

    • SSDEEP

      49152:D5TQ0VpSQkbo7FoWKxx/X0+fI1HARitBDodeFIbi:NfVpSTl/xxPxfI1gRitao

    • 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 Xworm Payload

    • 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

    • 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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • 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.

    • 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