General

  • Target

    e2647fbd21c263e71a02ce24180048a466e79051804abbdbeca6d906bd401afb.exe

  • Size

    1.9MB

  • Sample

    241118-wv39rasjfz

  • MD5

    b23674d0e953bc605438404845ae68ef

  • SHA1

    ed650b18b3c46935e6a098c93f55054ab0a1a939

  • SHA256

    e2647fbd21c263e71a02ce24180048a466e79051804abbdbeca6d906bd401afb

  • SHA512

    c925b7d362eeb1ef26049341365c7cca976ad033d0703355e536557bfacf5a8d2dcdcf91b84a5fc4693bc7a3b8278d234708ab2fed300c526830c37d105ea4b7

  • SSDEEP

    49152:odPbmfjqhPK/KBXOKQuvvHGgVpo3z6eL8+WgOxHEX66:CTm7qhyjKvOUMLnqxk/

Malware Config

Extracted

Family

amadey

Version

5.04

Botnet

4bee07

C2

http://185.215.113.209

Attributes
  • install_dir

    fc9e0aaab7

  • install_file

    defnur.exe

  • strings_key

    191655f008adc880f91bfc85bc56db54

  • url_paths

    /Fru7Nk9/index.php

rc4.plain

Targets

    • Target

      e2647fbd21c263e71a02ce24180048a466e79051804abbdbeca6d906bd401afb.exe

    • Size

      1.9MB

    • MD5

      b23674d0e953bc605438404845ae68ef

    • SHA1

      ed650b18b3c46935e6a098c93f55054ab0a1a939

    • SHA256

      e2647fbd21c263e71a02ce24180048a466e79051804abbdbeca6d906bd401afb

    • SHA512

      c925b7d362eeb1ef26049341365c7cca976ad033d0703355e536557bfacf5a8d2dcdcf91b84a5fc4693bc7a3b8278d234708ab2fed300c526830c37d105ea4b7

    • SSDEEP

      49152:odPbmfjqhPK/KBXOKQuvvHGgVpo3z6eL8+WgOxHEX66:CTm7qhyjKvOUMLnqxk/

    • Amadey

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

    • Amadey family

    • 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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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

MITRE ATT&CK Enterprise v15

Tasks