General

  • Target

    d6035491e75ba4735911fddc6fdae0c49bd7646bf8a8aa0edade867ffe569500

  • Size

    7.1MB

  • Sample

    241128-ycvwrstkep

  • MD5

    e92d8ae791edd6cde50de8a57f521628

  • SHA1

    0946dc675734d04541c570623996bd12bc332226

  • SHA256

    d6035491e75ba4735911fddc6fdae0c49bd7646bf8a8aa0edade867ffe569500

  • SHA512

    90246f30c2364e91e17b98ea7d4303fd85f6082b7e84c72612304adc318055a1b3ae646c8bd54255d1f32818b28765912c980e00eb653a371dfdec850c4765c4

  • SSDEEP

    196608:27nvDIUt2aEE3s1deNOgwQrIuP/SgjVG+q7Wds8W++ottSH:iht2TVKN1w0IuyyG+qqnigtS

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://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://hallowed-noisy.sbs

https://tail-cease.cyou

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tail-cease.cyou/api

Targets

    • Target

      d6035491e75ba4735911fddc6fdae0c49bd7646bf8a8aa0edade867ffe569500

    • Size

      7.1MB

    • MD5

      e92d8ae791edd6cde50de8a57f521628

    • SHA1

      0946dc675734d04541c570623996bd12bc332226

    • SHA256

      d6035491e75ba4735911fddc6fdae0c49bd7646bf8a8aa0edade867ffe569500

    • SHA512

      90246f30c2364e91e17b98ea7d4303fd85f6082b7e84c72612304adc318055a1b3ae646c8bd54255d1f32818b28765912c980e00eb653a371dfdec850c4765c4

    • SSDEEP

      196608:27nvDIUt2aEE3s1deNOgwQrIuP/SgjVG+q7Wds8W++ottSH:iht2TVKN1w0IuyyG+qqnigtS

    • 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

      Run Powershell and hide display window.

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks