General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241219-244jrssnez

  • MD5

    8c724813b4468960543fcbcb4635f74f

  • SHA1

    23693d84c1441a3edc77686c5a613f747ccff8a6

  • SHA256

    4cc2d946c5c43426f509193cb5bee665f59f46c795c4da045d3b5940d660e6d4

  • SHA512

    c10f32547cd5a5921fa826eb11d437887b13b75ecd6d4a284288e12498e9d5406a779fb2fa2632d38412b6310dc53fca530e59dc3b80db76165431b2cf405cfa

  • SSDEEP

    49152:Zr515k/dk6Cw71eUMEdzK8Epe8C4IYilUBEhfqluQpq+K:5515k1klQ19LdzK8EpHICEc0aK

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

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

xworm

C2

86.38.225.54:5353

Attributes
  • Install_directory

    %AppData%

  • install_file

    VIRUS101RatPayload.exe

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      8c724813b4468960543fcbcb4635f74f

    • SHA1

      23693d84c1441a3edc77686c5a613f747ccff8a6

    • SHA256

      4cc2d946c5c43426f509193cb5bee665f59f46c795c4da045d3b5940d660e6d4

    • SHA512

      c10f32547cd5a5921fa826eb11d437887b13b75ecd6d4a284288e12498e9d5406a779fb2fa2632d38412b6310dc53fca530e59dc3b80db76165431b2cf405cfa

    • SSDEEP

      49152:Zr515k/dk6Cw71eUMEdzK8Epe8C4IYilUBEhfqluQpq+K:5515k1klQ19LdzK8EpHICEc0aK

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • GCleaner

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

    • Gcleaner family

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • 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.

    • Drops startup file

    • 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.

    • 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.

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks