General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241212-2rnb1szmft

  • MD5

    3197aa29fd7d023f4483200e06a95d7a

  • SHA1

    62cd61a0004ef666d0d6427c42c8a6ec7b30617c

  • SHA256

    ac7eab26629e889c428293f303b428424ffccae5658636cca54512753fa2792a

  • SHA512

    7379939f14ce763a9726638f6b694e0a84dbc80a2128db6e58224e2db432ad242cfc04e2576ffd462e1c75836141310cfd0ac751245061170d041b211e528637

  • SSDEEP

    49152:of5+2z7fYXSXFA0R8kTiglrFF852feG2ezYVW5es:o5fYXSXm0RbTiglv852XZzeW5e

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://covery-mover.biz/api

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      3197aa29fd7d023f4483200e06a95d7a

    • SHA1

      62cd61a0004ef666d0d6427c42c8a6ec7b30617c

    • SHA256

      ac7eab26629e889c428293f303b428424ffccae5658636cca54512753fa2792a

    • SHA512

      7379939f14ce763a9726638f6b694e0a84dbc80a2128db6e58224e2db432ad242cfc04e2576ffd462e1c75836141310cfd0ac751245061170d041b211e528637

    • SSDEEP

      49152:of5+2z7fYXSXFA0R8kTiglrFF852feG2ezYVW5es:o5fYXSXm0RbTiglv852XZzeW5e

    • Amadey

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

    • Amadey family

    • 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

    • 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.

    • 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 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.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • 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