General

  • Target

    d06e1fd08af8234eb7d356343329905327126518eea8bee8e00f10aeaf7d3a09

  • Size

    2.4MB

  • Sample

    240704-313nqsxakl

  • MD5

    5df47a238d51fdad9b442feb6c833886

  • SHA1

    9332ec9a71256cfdea81cfbf8627f0a274802b1d

  • SHA256

    d06e1fd08af8234eb7d356343329905327126518eea8bee8e00f10aeaf7d3a09

  • SHA512

    8f0e92e9e7f2bc849819fc6e2c6cd332f2da8ef41610107abc34696f27176bb01148c54ef0c6dd1f02642f99bd453b0efc2f5d58055a543706e16f5eb3e75bba

  • SSDEEP

    49152:fM+AtxmEVG4o6E1MmGcyUB4BmAP0julxkp3tJXpgttFlhTKquE:U+iG4olCms9uUkp3XpgttFlJKqV

Malware Config

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Targets

    • Target

      d06e1fd08af8234eb7d356343329905327126518eea8bee8e00f10aeaf7d3a09

    • Size

      2.4MB

    • MD5

      5df47a238d51fdad9b442feb6c833886

    • SHA1

      9332ec9a71256cfdea81cfbf8627f0a274802b1d

    • SHA256

      d06e1fd08af8234eb7d356343329905327126518eea8bee8e00f10aeaf7d3a09

    • SHA512

      8f0e92e9e7f2bc849819fc6e2c6cd332f2da8ef41610107abc34696f27176bb01148c54ef0c6dd1f02642f99bd453b0efc2f5d58055a543706e16f5eb3e75bba

    • SSDEEP

      49152:fM+AtxmEVG4o6E1MmGcyUB4BmAP0julxkp3tJXpgttFlhTKquE:U+iG4olCms9uUkp3XpgttFlJKqV

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks