General

  • Target

    7f9c4f99669b5c05535075cc97e746e9df229b8177f56a0a9e989b861e8a2ef4

  • Size

    3.1MB

  • Sample

    241209-s9hptaxpbk

  • MD5

    03bb6c45bf7f0ce8caa6c8ba6ca33509

  • SHA1

    f59d3d9d070984d3bd3e4bd7c903990b204ed554

  • SHA256

    7f9c4f99669b5c05535075cc97e746e9df229b8177f56a0a9e989b861e8a2ef4

  • SHA512

    0e99313226eb3df882a9372820532d71ebe95616f7290e4eb08256681af7bf8826c66cea34cd50f89b1dc34af145fa7803d036d64d58a45855e998982d4259be

  • SSDEEP

    49152:qmZuKkpYpaS4Zqf63VQkUfHZjTvfS1REpnlt+nzZWF5whsj1NbyE5Hd:qeg4Cqf63Vsf5jTvfeEntzohs5sE

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

xworm

Version

5.0

C2

45.200.148.155:5050

Mutex

i5ZVKLKJz2PVTovK

Attributes
  • Install_directory

    %AppData%

  • install_file

    SecurityHealthSystray.exe

aes.plain

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://atten-supporse.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

Targets

    • Target

      7f9c4f99669b5c05535075cc97e746e9df229b8177f56a0a9e989b861e8a2ef4

    • Size

      3.1MB

    • MD5

      03bb6c45bf7f0ce8caa6c8ba6ca33509

    • SHA1

      f59d3d9d070984d3bd3e4bd7c903990b204ed554

    • SHA256

      7f9c4f99669b5c05535075cc97e746e9df229b8177f56a0a9e989b861e8a2ef4

    • SHA512

      0e99313226eb3df882a9372820532d71ebe95616f7290e4eb08256681af7bf8826c66cea34cd50f89b1dc34af145fa7803d036d64d58a45855e998982d4259be

    • SSDEEP

      49152:qmZuKkpYpaS4Zqf63VQkUfHZjTvfS1REpnlt+nzZWF5whsj1NbyE5Hd:qeg4Cqf63Vsf5jTvfeEntzohs5sE

    • Amadey

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

    • Amadey family

    • 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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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

    • Windows security modification

    • Adds Run key to start application

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks