General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    241220-gw14fssmeq

  • MD5

    636eca2de789ef5733f243cd5f696d3e

  • SHA1

    e346d7c38fb89e58059ef4223de0fbf9231d6735

  • SHA256

    1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d

  • SHA512

    f55d4eea8f3d251fe157c6b3af2bd3d9fea330a2141b2b8d0c5ffcf4339362b3b0bed30cc9b71e52d3c70074ad95a6a64a93f99aefc1d9c41211d4d293d6ab0d

  • SSDEEP

    49152:MuKEsPLkHAcks/UXiMnGgLfgTtdJFPWWlo03rwQj:hsPLkHAhSUXHGgkxdvPWWld

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

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      636eca2de789ef5733f243cd5f696d3e

    • SHA1

      e346d7c38fb89e58059ef4223de0fbf9231d6735

    • SHA256

      1974835d38d2bb7d1133dae6aa076705503b417d8e1b6456f3ba20616be7b24d

    • SHA512

      f55d4eea8f3d251fe157c6b3af2bd3d9fea330a2141b2b8d0c5ffcf4339362b3b0bed30cc9b71e52d3c70074ad95a6a64a93f99aefc1d9c41211d4d293d6ab0d

    • SSDEEP

      49152:MuKEsPLkHAcks/UXiMnGgLfgTtdJFPWWlo03rwQj:hsPLkHAhSUXHGgkxdvPWWld

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Vidar Stealer

    • 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

    • 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

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks