General

  • Target

    b4912e01f54967c29c7382e63b153e4e1ad7773a37ccb810380143b4d9df2699.exe

  • Size

    1.8MB

  • Sample

    241124-nwcjestqgj

  • MD5

    97f92e0d1c77d3f49cf54532e4c29940

  • SHA1

    9e3c7d6a0bfb0ad328d5c2b67b2559edc35992bf

  • SHA256

    b4912e01f54967c29c7382e63b153e4e1ad7773a37ccb810380143b4d9df2699

  • SHA512

    414be94de9b02794dd3cd9ef6693cc5adf9f47f7946e14e04a74bcac04eb1e53563ba74d16b5784a4607e7509dcf2320e45acde7d1ad6a5e6f779bd7c42bbeff

  • SSDEEP

    49152:3vkiCocWLaGUvpxuMjv1jVep2uqJAQNgLPRBfxBp8H:3MiFGpjjv1xPzyRYH

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      b4912e01f54967c29c7382e63b153e4e1ad7773a37ccb810380143b4d9df2699.exe

    • Size

      1.8MB

    • MD5

      97f92e0d1c77d3f49cf54532e4c29940

    • SHA1

      9e3c7d6a0bfb0ad328d5c2b67b2559edc35992bf

    • SHA256

      b4912e01f54967c29c7382e63b153e4e1ad7773a37ccb810380143b4d9df2699

    • SHA512

      414be94de9b02794dd3cd9ef6693cc5adf9f47f7946e14e04a74bcac04eb1e53563ba74d16b5784a4607e7509dcf2320e45acde7d1ad6a5e6f779bd7c42bbeff

    • SSDEEP

      49152:3vkiCocWLaGUvpxuMjv1jVep2uqJAQNgLPRBfxBp8H:3MiFGpjjv1xPzyRYH

    • Amadey

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

    • Amadey family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

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

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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