General

  • Target

    f9cde14566b4688d0565dbc86f5f1b22f065991db05717db6e6e365ca04408a2

  • Size

    1.8MB

  • Sample

    240417-1brttsfg8x

  • MD5

    ed8d95be7ff7da6f2ac46cada635870c

  • SHA1

    849b5a1d24c87b5840055a3b87977d9a9ce1c221

  • SHA256

    f9cde14566b4688d0565dbc86f5f1b22f065991db05717db6e6e365ca04408a2

  • SHA512

    17897799aea0b43e1945739632f6e3ea0f3f8a3f0f705fe9fc8e7213ec6f6a1a640884b184d7166deedf9c5b3d8e9856ebb43cadc1f561c1c49cd439c56796b6

  • SSDEEP

    49152:+t9ZMm/MCTr6vlhs+zfoSSOvG7bW00MI6:QfZJTascfoPOvG7bW0o6

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      f9cde14566b4688d0565dbc86f5f1b22f065991db05717db6e6e365ca04408a2

    • Size

      1.8MB

    • MD5

      ed8d95be7ff7da6f2ac46cada635870c

    • SHA1

      849b5a1d24c87b5840055a3b87977d9a9ce1c221

    • SHA256

      f9cde14566b4688d0565dbc86f5f1b22f065991db05717db6e6e365ca04408a2

    • SHA512

      17897799aea0b43e1945739632f6e3ea0f3f8a3f0f705fe9fc8e7213ec6f6a1a640884b184d7166deedf9c5b3d8e9856ebb43cadc1f561c1c49cd439c56796b6

    • SSDEEP

      49152:+t9ZMm/MCTr6vlhs+zfoSSOvG7bW00MI6:QfZJTascfoPOvG7bW0o6

    • Amadey

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

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

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks