General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241207-x8x6bszkdv

  • MD5

    5d5cbdd1801035e2485e7353df38e0c3

  • SHA1

    569f6804a09e94d2413f0239c26a7e47734178a3

  • SHA256

    678b506795611f59eec55a7003e31a378679db301b5669cdf8d2c9b0826cfede

  • SHA512

    36d5081f994c44774548fcb8fa05d3461f1cc823b62fab79b949bafc3e26f457a58f278bce3fccaa79d43b92607ce61d38d687fcffa8863e273321cf493c75ea

  • SSDEEP

    24576:jXsXvMZ5G98KxLUdCuC3vGilj0LJ7ixzPHddQnwmRSEU4/rhgetK8WwG471GeeX6:O0ZSzxvuePFoVU9unwmRiEgeA8nFG7

Malware Config

Extracted

Family

stealc

Botnet

stok

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

Extracted

Family

amadey

Version

5.04

Botnet

397a17

C2

http://89.110.69.103

http://94.156.177.33

Attributes
  • install_dir

    0efeaab28d

  • install_file

    Gxtuum.exe

  • strings_key

    6dea7a0890c1d404d1b67c90aea6ece4

  • url_paths

    /Lv2D7fGdopb/index.php

    /b9kdj3s3C0/index.php

rc4.plain

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      5d5cbdd1801035e2485e7353df38e0c3

    • SHA1

      569f6804a09e94d2413f0239c26a7e47734178a3

    • SHA256

      678b506795611f59eec55a7003e31a378679db301b5669cdf8d2c9b0826cfede

    • SHA512

      36d5081f994c44774548fcb8fa05d3461f1cc823b62fab79b949bafc3e26f457a58f278bce3fccaa79d43b92607ce61d38d687fcffa8863e273321cf493c75ea

    • SSDEEP

      24576:jXsXvMZ5G98KxLUdCuC3vGilj0LJ7ixzPHddQnwmRSEU4/rhgetK8WwG471GeeX6:O0ZSzxvuePFoVU9unwmRiEgeA8nFG7

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks