General

  • Target

    7nSTXG6.exe

  • Size

    1.7MB

  • Sample

    250221-v365yaxrz4

  • MD5

    42f1f8448b5c39273d35ee02de6c8d03

  • SHA1

    9681a4c4d6d265a81b3b214af177403c23adaee3

  • SHA256

    0a9968e005bd1668ca0f28b6849a2d62718d99345c038f53b0a04691d97c0b6a

  • SHA512

    e603f2dfb9fec7a73ca666e2c54c1fcdfb13c4786f89236df93f3444cd24a72a51a6d5573ffafb7499b2d116a7f68518173ba710df34f06e412e4abd33d36ec3

  • SSDEEP

    49152:JgWQxiMU3CrOTr2MJJwzdNbvIVUmKpVBcwlKkdOaibq:JgWQxLUjTr2MJyzbuU/pVqAXgbq

Malware Config

Targets

    • Target

      7nSTXG6.exe

    • Size

      1.7MB

    • MD5

      42f1f8448b5c39273d35ee02de6c8d03

    • SHA1

      9681a4c4d6d265a81b3b214af177403c23adaee3

    • SHA256

      0a9968e005bd1668ca0f28b6849a2d62718d99345c038f53b0a04691d97c0b6a

    • SHA512

      e603f2dfb9fec7a73ca666e2c54c1fcdfb13c4786f89236df93f3444cd24a72a51a6d5573ffafb7499b2d116a7f68518173ba710df34f06e412e4abd33d36ec3

    • SSDEEP

      49152:JgWQxiMU3CrOTr2MJJwzdNbvIVUmKpVBcwlKkdOaibq:JgWQxLUjTr2MJyzbuU/pVqAXgbq

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks