General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241202-3c4wwstqcp

  • MD5

    3e7aee1113d50d26045a12804007a455

  • SHA1

    93a3ce686e6f8bdd367545215a83dec4223ac1c2

  • SHA256

    b17a4436507a472e05634027398400d885b2b8aebe811caacf47fdc04c7835c5

  • SHA512

    06c92a4d2c230c749ffed970f3d75a4c634ba9f21527c08ff573104534b4f30975c67eeb9072b56add91b8d3820b62bef2635cf483d3cae67d40e7b271cbedb2

  • SSDEEP

    49152:3mRNky4uuM1uNwaZAMftOOW6/RKNffPF/Kpgvo6cjA:3wOyHR1uPcOJcf3RFc

Malware Config

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      3e7aee1113d50d26045a12804007a455

    • SHA1

      93a3ce686e6f8bdd367545215a83dec4223ac1c2

    • SHA256

      b17a4436507a472e05634027398400d885b2b8aebe811caacf47fdc04c7835c5

    • SHA512

      06c92a4d2c230c749ffed970f3d75a4c634ba9f21527c08ff573104534b4f30975c67eeb9072b56add91b8d3820b62bef2635cf483d3cae67d40e7b271cbedb2

    • SSDEEP

      49152:3mRNky4uuM1uNwaZAMftOOW6/RKNffPF/Kpgvo6cjA:3wOyHR1uPcOJcf3RFc

    • Amadey

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

    • Amadey family

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks