General

  • Target

    c64987bcdfcea92523021990a319bb7febb838e0074cd7cf7305c93cb4c398b9

  • Size

    1.9MB

  • Sample

    240321-w4f6ksge4w

  • MD5

    c3235d03526f7a333d2d56b2b8eedd4d

  • SHA1

    8e89a6d045668257d40e47a761f754fc91dd9de6

  • SHA256

    c64987bcdfcea92523021990a319bb7febb838e0074cd7cf7305c93cb4c398b9

  • SHA512

    aeb5fc4b91dc6ee7f131d8c8f81a518b827ae25cc2970ab8ec0d2a54e729ac017d7eb617c938c0db73cff47cd1047d1ea26b51827fdf8e7a7500ba825cdf7120

  • SSDEEP

    49152:7hoOv8haXMrpY7N80ryeyVEry6dEOeSuxRnHz1D4OskU:7b8BGi0ryxEru/SGrLc

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

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      c64987bcdfcea92523021990a319bb7febb838e0074cd7cf7305c93cb4c398b9

    • Size

      1.9MB

    • MD5

      c3235d03526f7a333d2d56b2b8eedd4d

    • SHA1

      8e89a6d045668257d40e47a761f754fc91dd9de6

    • SHA256

      c64987bcdfcea92523021990a319bb7febb838e0074cd7cf7305c93cb4c398b9

    • SHA512

      aeb5fc4b91dc6ee7f131d8c8f81a518b827ae25cc2970ab8ec0d2a54e729ac017d7eb617c938c0db73cff47cd1047d1ea26b51827fdf8e7a7500ba825cdf7120

    • SSDEEP

      49152:7hoOv8haXMrpY7N80ryeyVEry6dEOeSuxRnHz1D4OskU:7b8BGi0ryxEru/SGrLc

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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