General

  • Target

    391b8c044213f78aa78a854a5af5f6e0fecfa5057e22dcf776a77d69ecc5fb93

  • Size

    1.8MB

  • Sample

    240402-e5dy6sgf2x

  • MD5

    5490a6a3ade7c6d81f79829e0b83b6d8

  • SHA1

    93f8dd23c961f0da71f6ceaf9454d788ac8ec6d4

  • SHA256

    391b8c044213f78aa78a854a5af5f6e0fecfa5057e22dcf776a77d69ecc5fb93

  • SHA512

    c04e2b5368e504fae5261f54875fcc8f204ce4decd12e70f7d404b93eba0e5cec33035478ffee3257d862c4e9afb5281a8bc34a02ddf63e5ad638c140037b2ab

  • SSDEEP

    49152:tatdTCzTGJvrFvhGuocFHu58LAeb8WfG6tv6ZdLTx4:YtdTaTGNOuoEuS88G6tv6Ly

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

      391b8c044213f78aa78a854a5af5f6e0fecfa5057e22dcf776a77d69ecc5fb93

    • Size

      1.8MB

    • MD5

      5490a6a3ade7c6d81f79829e0b83b6d8

    • SHA1

      93f8dd23c961f0da71f6ceaf9454d788ac8ec6d4

    • SHA256

      391b8c044213f78aa78a854a5af5f6e0fecfa5057e22dcf776a77d69ecc5fb93

    • SHA512

      c04e2b5368e504fae5261f54875fcc8f204ce4decd12e70f7d404b93eba0e5cec33035478ffee3257d862c4e9afb5281a8bc34a02ddf63e5ad638c140037b2ab

    • SSDEEP

      49152:tatdTCzTGJvrFvhGuocFHu58LAeb8WfG6tv6ZdLTx4:YtdTaTGNOuoEuS88G6tv6Ly

    • 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