General

  • Target

    8310a7193b9e91be4355931fe56b6f47b98839621df007f1bd87dda98dff79ed.exe

  • Size

    1.8MB

  • Sample

    241130-c9s8jsyjht

  • MD5

    4a621d7648695348889cf9b0af6c97eb

  • SHA1

    428888c9ef81ec58bfc32036013520465c66a9b7

  • SHA256

    8310a7193b9e91be4355931fe56b6f47b98839621df007f1bd87dda98dff79ed

  • SHA512

    f8d4f403f7f6ac220c0653a4fa78eb363a7bf7c4f3aab3a70b1393bc183f94bff186549ef5fe8899deb954f325a8f1c31321d5af36f40b3b983b5999309e4784

  • SSDEEP

    49152:862xpazZ1LTxUlnl/+Ch0C3kQmBspDrrY:8N+LdUlnA40QmBEE

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

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      8310a7193b9e91be4355931fe56b6f47b98839621df007f1bd87dda98dff79ed.exe

    • Size

      1.8MB

    • MD5

      4a621d7648695348889cf9b0af6c97eb

    • SHA1

      428888c9ef81ec58bfc32036013520465c66a9b7

    • SHA256

      8310a7193b9e91be4355931fe56b6f47b98839621df007f1bd87dda98dff79ed

    • SHA512

      f8d4f403f7f6ac220c0653a4fa78eb363a7bf7c4f3aab3a70b1393bc183f94bff186549ef5fe8899deb954f325a8f1c31321d5af36f40b3b983b5999309e4784

    • SSDEEP

      49152:862xpazZ1LTxUlnl/+Ch0C3kQmBspDrrY:8N+LdUlnA40QmBEE

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

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

    • 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.

    • 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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks