General

  • Target

    26742f6708b864c11d12b2a8635c54850a35c352bedbb0ae4637acf61f51cdbcN.exe

  • Size

    1.8MB

  • Sample

    241125-bkxn1aznax

  • MD5

    e03ddba92cc6018d4c103349851ca430

  • SHA1

    4a473cf7d723caa1854715ef4bfa81db1db6c258

  • SHA256

    26742f6708b864c11d12b2a8635c54850a35c352bedbb0ae4637acf61f51cdbc

  • SHA512

    4015384ded6a107312772d1e1490576d56b626f54a3798bfb61c276c5de7018bd1edd4b76b521053d137847e2443ec6378bca5abfa530ce77e520fb034f28c70

  • SSDEEP

    49152:iKE7jEN7DevGS5Z3el7b7Q1GACRz1fae+:DE74Na5L3elDbRc

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

      26742f6708b864c11d12b2a8635c54850a35c352bedbb0ae4637acf61f51cdbcN.exe

    • Size

      1.8MB

    • MD5

      e03ddba92cc6018d4c103349851ca430

    • SHA1

      4a473cf7d723caa1854715ef4bfa81db1db6c258

    • SHA256

      26742f6708b864c11d12b2a8635c54850a35c352bedbb0ae4637acf61f51cdbc

    • SHA512

      4015384ded6a107312772d1e1490576d56b626f54a3798bfb61c276c5de7018bd1edd4b76b521053d137847e2443ec6378bca5abfa530ce77e520fb034f28c70

    • SSDEEP

      49152:iKE7jEN7DevGS5Z3el7b7Q1GACRz1fae+:DE74Na5L3elDbRc

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks