General

  • Target

    ef9c475eb2ec3660fb623e1ba966c531918f6afd4b610b71fd098a05b892d5d1

  • Size

    1.8MB

  • Sample

    240329-havvzscc84

  • MD5

    483eaef6d08b7a5d6a720b9f4978aada

  • SHA1

    83344a04fe22dec608f490fb48f7e887a8cd6a95

  • SHA256

    ef9c475eb2ec3660fb623e1ba966c531918f6afd4b610b71fd098a05b892d5d1

  • SHA512

    8d0de7782d711712ab5b9dbf63b8666c1071703f18c5f9225ac99ea8a32ce6369cfec74fd67c41b135392b38d312e4b13e35d209f848db995a2e67f92ee6ec1c

  • SSDEEP

    24576:ojjHx98CRHOR0A5byf7pZoTZnF2XzXSYYIJb+oviZqhKsb7/LWZrteMSoY6xJP4z:YHbr1208byjjXztvi1ccZSt0k

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      ef9c475eb2ec3660fb623e1ba966c531918f6afd4b610b71fd098a05b892d5d1

    • Size

      1.8MB

    • MD5

      483eaef6d08b7a5d6a720b9f4978aada

    • SHA1

      83344a04fe22dec608f490fb48f7e887a8cd6a95

    • SHA256

      ef9c475eb2ec3660fb623e1ba966c531918f6afd4b610b71fd098a05b892d5d1

    • SHA512

      8d0de7782d711712ab5b9dbf63b8666c1071703f18c5f9225ac99ea8a32ce6369cfec74fd67c41b135392b38d312e4b13e35d209f848db995a2e67f92ee6ec1c

    • SSDEEP

      24576:ojjHx98CRHOR0A5byf7pZoTZnF2XzXSYYIJb+oviZqhKsb7/LWZrteMSoY6xJP4z:YHbr1208byjjXztvi1ccZSt0k

    • 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