General

  • Target

    ef59bfc4e53fa990607868d76f1a9a93.exe

  • Size

    938KB

  • Sample

    250304-lgts2sxsas

  • MD5

    ef59bfc4e53fa990607868d76f1a9a93

  • SHA1

    07a2dff253bc24e4683898621cd5a9c01af59ea3

  • SHA256

    e177bcf0d2e553d675134dcd71999e0d23548c1a4860aece07208f1fe9a39c35

  • SHA512

    31fc8c697e3eedc23c2251b95b34fd24f5d58d9dab5cdb9197d7890497c3aad430f15bf4a02d9c6bf39fdf473a1fd49b40700e36951ba6ee18523374191d1664

  • SSDEEP

    24576:VqDEvCTbMWu7rQYlBQcBiT6rprG8a0xu:VTvC/MTQYxsWR7a0x

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      ef59bfc4e53fa990607868d76f1a9a93.exe

    • Size

      938KB

    • MD5

      ef59bfc4e53fa990607868d76f1a9a93

    • SHA1

      07a2dff253bc24e4683898621cd5a9c01af59ea3

    • SHA256

      e177bcf0d2e553d675134dcd71999e0d23548c1a4860aece07208f1fe9a39c35

    • SHA512

      31fc8c697e3eedc23c2251b95b34fd24f5d58d9dab5cdb9197d7890497c3aad430f15bf4a02d9c6bf39fdf473a1fd49b40700e36951ba6ee18523374191d1664

    • SSDEEP

      24576:VqDEvCTbMWu7rQYlBQcBiT6rprG8a0xu:VTvC/MTQYxsWR7a0x

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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 user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 Microsoft Outlook profiles

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks