General

  • Target

    4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe

  • Size

    1.7MB

  • Sample

    241116-s4f9ssxrdy

  • MD5

    f8d1d73a4b017ae508ee5172f7601906

  • SHA1

    6feb8b7fa058b1f818ea2b2485b8435d87b218c6

  • SHA256

    4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe

  • SHA512

    1365b7dda13edae170c5022828edcfd708f5378d8fc83ba07433a2094e7137c1fdf47e18bf387d481ae2610b3ce13eacd8e6e9fcb63b4423f39536c4bd631e7a

  • SSDEEP

    49152:zTlClKXf1sJb2d9Y2Ju9m5bqW8mMAxHU:nlC4NY+bqW1MAl

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

Targets

    • Target

      4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe

    • Size

      1.7MB

    • MD5

      f8d1d73a4b017ae508ee5172f7601906

    • SHA1

      6feb8b7fa058b1f818ea2b2485b8435d87b218c6

    • SHA256

      4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe

    • SHA512

      1365b7dda13edae170c5022828edcfd708f5378d8fc83ba07433a2094e7137c1fdf47e18bf387d481ae2610b3ce13eacd8e6e9fcb63b4423f39536c4bd631e7a

    • SSDEEP

      49152:zTlClKXf1sJb2d9Y2Ju9m5bqW8mMAxHU:nlC4NY+bqW1MAl

    • 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

    • 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.

    • Windows security modification

    • 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

MITRE ATT&CK Enterprise v15

Tasks