General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbk9UT25TQzQ3ZFFNeE9DR2wxN3NtUkVIbG41d3xBQ3Jtc0trNk04WnFqcDRIMFhzS3NRNmxDN2dzQXh6c2RudldxcUh5Qm9Pd3Z2alhTSnRZclBuSUlIdUtuS1BsRHVQeHNQX2dNLWRPSUI5TmZldklaWHhyZjl6T3VxUTBzVkZ2aDRURWZDSm5yVjRMaHE3ZGRuaw&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2F3is42kz6mwjhj%2FFiles&v=qq0j1po9-D4

  • Sample

    241105-yn2tfswrfs

Malware Config

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbk9UT25TQzQ3ZFFNeE9DR2wxN3NtUkVIbG41d3xBQ3Jtc0trNk04WnFqcDRIMFhzS3NRNmxDN2dzQXh6c2RudldxcUh5Qm9Pd3Z2alhTSnRZclBuSUlIdUtuS1BsRHVQeHNQX2dNLWRPSUI5TmZldklaWHhyZjl6T3VxUTBzVkZ2aDRURWZDSm5yVjRMaHE3ZGRuaw&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2F3is42kz6mwjhj%2FFiles&v=qq0j1po9-D4

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks