General

  • Target

    94477c079023f8f20b58d32f77ce19ed2940af81264db80fe9214e52792b3857

  • Size

    1.8MB

  • Sample

    240708-hvnmeazema

  • MD5

    011ec75f466333e49e6d28f222023f89

  • SHA1

    6c8d6b4f0f1412546e31af417dc8d6ba482c1329

  • SHA256

    94477c079023f8f20b58d32f77ce19ed2940af81264db80fe9214e52792b3857

  • SHA512

    42b08139109bf4a172acee991cb49bfaab03d6709cee83d02b3a02136a1765fd6409298a58b4982e234d10f7c156396e241b4be084c715ab65784be379b7b837

  • SSDEEP

    49152:IlCJVqv8tSPxqDwvQGZuJu374oqXqsSJRfI9Rr07Cx4d55w1NUmz1/:TypgBg34asSJFq0Ld55AJ/

Malware Config

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

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      94477c079023f8f20b58d32f77ce19ed2940af81264db80fe9214e52792b3857

    • Size

      1.8MB

    • MD5

      011ec75f466333e49e6d28f222023f89

    • SHA1

      6c8d6b4f0f1412546e31af417dc8d6ba482c1329

    • SHA256

      94477c079023f8f20b58d32f77ce19ed2940af81264db80fe9214e52792b3857

    • SHA512

      42b08139109bf4a172acee991cb49bfaab03d6709cee83d02b3a02136a1765fd6409298a58b4982e234d10f7c156396e241b4be084c715ab65784be379b7b837

    • SSDEEP

      49152:IlCJVqv8tSPxqDwvQGZuJu374oqXqsSJRfI9Rr07Cx4d55w1NUmz1/:TypgBg34asSJFq0Ld55AJ/

    • 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