General

  • Target

    554bde2e706bad2908fc0534a58e7cfa7e099edc754a46717f738616da146131N.exe

  • Size

    2.8MB

  • Sample

    241219-zqmyrazmgp

  • MD5

    79d73f0973da38285b0e0a83fa7ef5d0

  • SHA1

    18692d3c66779517481c1868e39a8ed62f3af7fd

  • SHA256

    554bde2e706bad2908fc0534a58e7cfa7e099edc754a46717f738616da146131

  • SHA512

    471ba9cd38f5126e79a52baa70e5bb169dd09b7b05b7a56da8dc6da28c0a6e579d2962b575ac4ca83695d8a60a07457d974e2d79d4e7506cb4769a7ff87ca270

  • SSDEEP

    49152:DU9YADYi0RJlAy7OA9V3DRv3csLjd3bYmrVdI/p:DUdDYimJ+y7OA9V3d3XJbfW/p

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

gurcu

C2

https://api.telegram.org/bot7822020748:AAGrioLZvBM_jgQaep0KKTha1_5Kzmwl62s/sendDocument?chat_id=7538374929&caption=%F0%9F%92%A0DOTSTEALER%F0%9F%92%A0%0A%F0%9F%92%ABNew%20log:%0AIP:%20181.215.176.83%0AUsername:%20Admin%0ALocation:%20United%20Kingdom%20[GB],%20London,%20Englan

Targets

    • Target

      554bde2e706bad2908fc0534a58e7cfa7e099edc754a46717f738616da146131N.exe

    • Size

      2.8MB

    • MD5

      79d73f0973da38285b0e0a83fa7ef5d0

    • SHA1

      18692d3c66779517481c1868e39a8ed62f3af7fd

    • SHA256

      554bde2e706bad2908fc0534a58e7cfa7e099edc754a46717f738616da146131

    • SHA512

      471ba9cd38f5126e79a52baa70e5bb169dd09b7b05b7a56da8dc6da28c0a6e579d2962b575ac4ca83695d8a60a07457d974e2d79d4e7506cb4769a7ff87ca270

    • SSDEEP

      49152:DU9YADYi0RJlAy7OA9V3DRv3csLjd3bYmrVdI/p:DUdDYimJ+y7OA9V3d3XJbfW/p

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Netsupport family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks