General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241128-yrh6hsylfx

  • MD5

    f0ecf1a8076890546c2210d5373f498a

  • SHA1

    1997eb844617f4770b81cf3c0ff9cefbdc401853

  • SHA256

    b40bca0264f21f6ad389319dd05a41d8168a8ac3e150ac1b2e21293711e62f18

  • SHA512

    5e0debf6e8a8f8747644bc6bd58ecbd01f6db52f8271d56b1b1f832fb9d201329cf54534316ca9fdd290044236a7b15a5468f2353ad079531a55910587e95a01

  • SSDEEP

    49152:P3MT8PW2xYc889iFc/tMLcanXfOK1QZ0aXPJVlTa:P3MD8PLMStMBfLGvPJVla

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

amadey

Version

5.10

Botnet

e43a13

C2

http://154.216.20.237

Attributes
  • install_dir

    9f16311490

  • install_file

    Gxtuum.exe

  • strings_key

    a7aaea3610a351d7a88f318681678260

  • url_paths

    /Gd84kkjf/index.php

rc4.plain

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://preside-comforter.sbs

https://savvy-steereo.sbs

https://copper-replace.sbs

https://record-envyp.sbs

https://slam-whipp.sbs

https://wrench-creter.sbs

https://looky-marked.sbs

https://plastic-mitten.sbs

https://tail-cease.cyou

Extracted

Family

lumma

C2

https://tail-cease.cyou/api

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      f0ecf1a8076890546c2210d5373f498a

    • SHA1

      1997eb844617f4770b81cf3c0ff9cefbdc401853

    • SHA256

      b40bca0264f21f6ad389319dd05a41d8168a8ac3e150ac1b2e21293711e62f18

    • SHA512

      5e0debf6e8a8f8747644bc6bd58ecbd01f6db52f8271d56b1b1f832fb9d201329cf54534316ca9fdd290044236a7b15a5468f2353ad079531a55910587e95a01

    • SSDEEP

      49152:P3MT8PW2xYc889iFc/tMLcanXfOK1QZ0aXPJVlTa:P3MD8PLMStMBfLGvPJVla

    • 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

    • Enumerates VirtualBox registry keys

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Download via BitsAdmin

    • 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

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks