General

  • Target

    f32b2b73a11e9e6d3cae3366a3c366c931ab0c6aec2582df957aa34baa30b39c

  • Size

    1.8MB

  • Sample

    240401-fv9hrsed9y

  • MD5

    c368875997d5bbb3402dc69dff22945b

  • SHA1

    5f6aa2c23d066a04c2170fe75cf9095111689a25

  • SHA256

    f32b2b73a11e9e6d3cae3366a3c366c931ab0c6aec2582df957aa34baa30b39c

  • SHA512

    6eebb8de7121090c204200df2e601d0cc33851f82466ff5da0bbb4fd83c4baf473b445d362a4743b4eb50ec6a3928177c3bcb7a653ecc5fae77794da547d3960

  • SSDEEP

    49152:pj7rhEr7TseSdfkMSPpH3WHKLhTGCn+DSA4:pqrXtGspxGQ+DSA

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      f32b2b73a11e9e6d3cae3366a3c366c931ab0c6aec2582df957aa34baa30b39c

    • Size

      1.8MB

    • MD5

      c368875997d5bbb3402dc69dff22945b

    • SHA1

      5f6aa2c23d066a04c2170fe75cf9095111689a25

    • SHA256

      f32b2b73a11e9e6d3cae3366a3c366c931ab0c6aec2582df957aa34baa30b39c

    • SHA512

      6eebb8de7121090c204200df2e601d0cc33851f82466ff5da0bbb4fd83c4baf473b445d362a4743b4eb50ec6a3928177c3bcb7a653ecc5fae77794da547d3960

    • SSDEEP

      49152:pj7rhEr7TseSdfkMSPpH3WHKLhTGCn+DSA4:pqrXtGspxGQ+DSA

    • 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.

    • 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 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks