General

  • Target

    f16a8a81dc524194805dc309f0b4b7fa973b04fd05a6a5debe8bd04647f74604

  • Size

    1.8MB

  • Sample

    240331-m1c53sbb48

  • MD5

    6bc7c14642d462d96a1f7b83e32efca6

  • SHA1

    234919900d6a3cd614c55467a7bd3a0fe2365325

  • SHA256

    f16a8a81dc524194805dc309f0b4b7fa973b04fd05a6a5debe8bd04647f74604

  • SHA512

    f8c59ed61bd33f6b6228b7a8f6b1106146cd80e4734f9654f2e25b7cdef21030353d2b756b79cda68dce8b51738d277d6c7fdc694616985ac2790384c55892f4

  • SSDEEP

    49152:qqaSCQJ7XPDwabxEpJATIiWk7tJ9LthxowRtmPi5:ESCy7rwQai57rFlow+P

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

      f16a8a81dc524194805dc309f0b4b7fa973b04fd05a6a5debe8bd04647f74604

    • Size

      1.8MB

    • MD5

      6bc7c14642d462d96a1f7b83e32efca6

    • SHA1

      234919900d6a3cd614c55467a7bd3a0fe2365325

    • SHA256

      f16a8a81dc524194805dc309f0b4b7fa973b04fd05a6a5debe8bd04647f74604

    • SHA512

      f8c59ed61bd33f6b6228b7a8f6b1106146cd80e4734f9654f2e25b7cdef21030353d2b756b79cda68dce8b51738d277d6c7fdc694616985ac2790384c55892f4

    • SSDEEP

      49152:qqaSCQJ7XPDwabxEpJATIiWk7tJ9LthxowRtmPi5:ESCy7rwQai57rFlow+P

    • 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 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