General

  • Target

    2c4c647bf88dd4a7aa10c5bdec41eaae21c82771bc7139c44d217893cb4d5f66

  • Size

    7.1MB

  • Sample

    241125-mtckzaspdx

  • MD5

    ab7fc466cf411948717bf96df5bd1360

  • SHA1

    a66c04b61aea8530e48ef8fadceee0e686203314

  • SHA256

    2c4c647bf88dd4a7aa10c5bdec41eaae21c82771bc7139c44d217893cb4d5f66

  • SHA512

    2f7eb66e13b5deca1017f099514f79b676a8cf3fb3d598e1eb828ffbc3fcc07154b4231ecbd8bbb6236c2a67dcdaf19fef8932f5f9e2b8d4dd86226a2d79398b

  • SSDEEP

    196608:t+231fFO9jtw+G07SYd28YwiTd03tqiP5BTG:0i1fFO9rG07Xo9TO3t7c

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

      2c4c647bf88dd4a7aa10c5bdec41eaae21c82771bc7139c44d217893cb4d5f66

    • Size

      7.1MB

    • MD5

      ab7fc466cf411948717bf96df5bd1360

    • SHA1

      a66c04b61aea8530e48ef8fadceee0e686203314

    • SHA256

      2c4c647bf88dd4a7aa10c5bdec41eaae21c82771bc7139c44d217893cb4d5f66

    • SHA512

      2f7eb66e13b5deca1017f099514f79b676a8cf3fb3d598e1eb828ffbc3fcc07154b4231ecbd8bbb6236c2a67dcdaf19fef8932f5f9e2b8d4dd86226a2d79398b

    • SSDEEP

      196608:t+231fFO9jtw+G07SYd28YwiTd03tqiP5BTG:0i1fFO9rG07Xo9TO3t7c

    • 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