General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241130-fp9lksykcj

  • MD5

    96c1a1b70f47f88edff0fc615aae0c6b

  • SHA1

    d9676fea886264dae4c2164cf392da1a9ac38e3a

  • SHA256

    c326252a4700a59f6250b3a8f090996a80a4912bdc5de66021c20091879c2cfb

  • SHA512

    fb26db4bf804d8fedb40203c737afdfcf9f581c1e370195fb03ac36ff38643b3ca437396c6a1574759c86075ee41dbe2106a4e0f484123d6a902d454eff3666b

  • SSDEEP

    49152:BU3M/NF3eOV8d94fGPrYFOa0GW8V34+M:4M/eY8kfGzYFOa0GW8V

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

Language
ps1
Source
URLs
exe.dropper

http://encrypthub.net:8080

exe.dropper

https://encrypthub.net/Main/antivm.ps1

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      96c1a1b70f47f88edff0fc615aae0c6b

    • SHA1

      d9676fea886264dae4c2164cf392da1a9ac38e3a

    • SHA256

      c326252a4700a59f6250b3a8f090996a80a4912bdc5de66021c20091879c2cfb

    • SHA512

      fb26db4bf804d8fedb40203c737afdfcf9f581c1e370195fb03ac36ff38643b3ca437396c6a1574759c86075ee41dbe2106a4e0f484123d6a902d454eff3666b

    • SSDEEP

      49152:BU3M/NF3eOV8d94fGPrYFOa0GW8V34+M:4M/eY8kfGzYFOa0GW8V

    • Amadey

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

    • Amadey 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • 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