General

  • Target

    file.exe

  • Size

    1.9MB

  • Sample

    240901-f91jeatblg

  • MD5

    4391ef0fd7be40518024e0860ea57b54

  • SHA1

    35d1ed507729581e2fe043551b1fc9960b3cfc35

  • SHA256

    f02b37f3ab908ec8656ef159289315a39cf6ddd4723590dd942eeb340346f6dc

  • SHA512

    10fe8458333776d5c43e3d40342dd83a5bf4eac157400d9539c07d3b8dd70650caea1dd7111f813d28b4ec9704c2667fa5d12e7794f3fbbdfda7b1413c27688c

  • SSDEEP

    49152:99yLdOYKwr2u4DbL+8LibWMrWASxl1jWjLVoB:Odf5r2u4Df+8OCMrWASxlcLSB

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      file.exe

    • Size

      1.9MB

    • MD5

      4391ef0fd7be40518024e0860ea57b54

    • SHA1

      35d1ed507729581e2fe043551b1fc9960b3cfc35

    • SHA256

      f02b37f3ab908ec8656ef159289315a39cf6ddd4723590dd942eeb340346f6dc

    • SHA512

      10fe8458333776d5c43e3d40342dd83a5bf4eac157400d9539c07d3b8dd70650caea1dd7111f813d28b4ec9704c2667fa5d12e7794f3fbbdfda7b1413c27688c

    • SSDEEP

      49152:99yLdOYKwr2u4DbL+8LibWMrWASxl1jWjLVoB:Odf5r2u4Df+8OCMrWASxlcLSB

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks