General

  • Target

    aa4753390d564107863357e270663385174e66c1d75c24aa211fedfef4ef06fa

  • Size

    7.0MB

  • Sample

    241125-t1rrssskfq

  • MD5

    3a41c8a33484f96bc90e2cb48e991b2a

  • SHA1

    b54959b4847473baa24620ab2e0dbdc2f0062118

  • SHA256

    aa4753390d564107863357e270663385174e66c1d75c24aa211fedfef4ef06fa

  • SHA512

    6474a44b0025fdda52c188a8d24b04fcf057356a8551a79aa282807f446e0f97761ea3b87f4654ee6b33ebc58bdbe7190656091593755ecafd0e318be5b5093b

  • SSDEEP

    196608:/jofebKHGP/rZGuIWy1hs2RF+4EL4l3Qee:/jofeZP/rZQIY1E8lAZ

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

      aa4753390d564107863357e270663385174e66c1d75c24aa211fedfef4ef06fa

    • Size

      7.0MB

    • MD5

      3a41c8a33484f96bc90e2cb48e991b2a

    • SHA1

      b54959b4847473baa24620ab2e0dbdc2f0062118

    • SHA256

      aa4753390d564107863357e270663385174e66c1d75c24aa211fedfef4ef06fa

    • SHA512

      6474a44b0025fdda52c188a8d24b04fcf057356a8551a79aa282807f446e0f97761ea3b87f4654ee6b33ebc58bdbe7190656091593755ecafd0e318be5b5093b

    • SSDEEP

      196608:/jofebKHGP/rZGuIWy1hs2RF+4EL4l3Qee:/jofeZP/rZQIY1E8lAZ

    • 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