General

  • Target

    f9956b53c9df3bfe1252342e29d6a2932bea0b722bf556009f6fffa84bef8726

  • Size

    1.8MB

  • Sample

    240331-hnkbeafe5t

  • MD5

    754a9b003b49e24c661a0ae381440df8

  • SHA1

    58ea18bbde8ed4c50c206594e6e9613c0d2f8e55

  • SHA256

    f9956b53c9df3bfe1252342e29d6a2932bea0b722bf556009f6fffa84bef8726

  • SHA512

    36a517a856c6025e4a16d96378e94decb50049e190eaf6133248ecd7a514d28d654659d813ecf349a52a422c6f6cf7bf9e97a4784b8ce6138e89198c61618850

  • SSDEEP

    49152:KC4DNboC/hEtu5hpckv2l9tKMK2P3KVgnM0vMp:KJbomKu51+xKG/KVWM0vMp

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

      f9956b53c9df3bfe1252342e29d6a2932bea0b722bf556009f6fffa84bef8726

    • Size

      1.8MB

    • MD5

      754a9b003b49e24c661a0ae381440df8

    • SHA1

      58ea18bbde8ed4c50c206594e6e9613c0d2f8e55

    • SHA256

      f9956b53c9df3bfe1252342e29d6a2932bea0b722bf556009f6fffa84bef8726

    • SHA512

      36a517a856c6025e4a16d96378e94decb50049e190eaf6133248ecd7a514d28d654659d813ecf349a52a422c6f6cf7bf9e97a4784b8ce6138e89198c61618850

    • SSDEEP

      49152:KC4DNboC/hEtu5hpckv2l9tKMK2P3KVgnM0vMp:KJbomKu51+xKG/KVWM0vMp

    • 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