General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241204-sc787sypay

  • MD5

    9c3238954fe782af3865837bc2f80cab

  • SHA1

    acd8239f883cb957cd3c969a7ca14180f58e5fba

  • SHA256

    a453c064eb69a8c5db81ded5e039f3d896e9829b367713a7f3f6e0043eb097dd

  • SHA512

    28796a354bffd92c570bce7f7886de14f7e088fb96f6aa6eb3bcf4adc9f4eff6a49aa76cc9081910269b0f3ceed215b413d99f451e09802a574185cb8c45a200

  • SSDEEP

    24576:TKRAjGbMr5DsgPElw9Yb90JYXyd1xNDXhyX9sJphGgOEThXaxt9tsy++xNdXuQ3x:mFmdhZ9YbyOydDjyX9w/Th6ayFdXuc

Malware Config

Extracted

Family

stealc

Botnet

drum

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

lumma

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7912788699:AAGD1HW4P2288HKKYEhpShtetd37D8GqFZo/sendDocument?chat_id=7781867830&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

      file.exe

    • Size

      1.7MB

    • MD5

      9c3238954fe782af3865837bc2f80cab

    • SHA1

      acd8239f883cb957cd3c969a7ca14180f58e5fba

    • SHA256

      a453c064eb69a8c5db81ded5e039f3d896e9829b367713a7f3f6e0043eb097dd

    • SHA512

      28796a354bffd92c570bce7f7886de14f7e088fb96f6aa6eb3bcf4adc9f4eff6a49aa76cc9081910269b0f3ceed215b413d99f451e09802a574185cb8c45a200

    • SSDEEP

      24576:TKRAjGbMr5DsgPElw9Yb90JYXyd1xNDXhyX9sJphGgOEThXaxt9tsy++xNdXuQ3x:mFmdhZ9YbyOydDjyX9w/Th6ayFdXuc

    • Amadey

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

    • Amadey 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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc 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

    • 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.

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

MITRE ATT&CK Enterprise v15

Tasks