General

  • Target

    546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67

  • Size

    1.1MB

  • Sample

    241027-3dheaasmdk

  • MD5

    809d6bfa7a7239d84423a36f2068426e

  • SHA1

    0e1e204e929ffd70eec137f829c007ca234aeeec

  • SHA256

    546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67

  • SHA512

    4d81ace1027d110114ca8733046401ed2f806d30aaae93a39ff66a1e40eccde7c823f8f82c6811a645001655dc49d3f5aea48b3fdd3eb7887ab4f0d39e69671d

  • SSDEEP

    24576:zEYQQljC3yuDAKKlgFNAsMnIHE1rw5pr3cLrNMTO/EraVEhaWTQht5:wYQojd9KEgFNDo1E5RMHarr5aWTK5

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

      546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67

    • Size

      1.1MB

    • MD5

      809d6bfa7a7239d84423a36f2068426e

    • SHA1

      0e1e204e929ffd70eec137f829c007ca234aeeec

    • SHA256

      546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67

    • SHA512

      4d81ace1027d110114ca8733046401ed2f806d30aaae93a39ff66a1e40eccde7c823f8f82c6811a645001655dc49d3f5aea48b3fdd3eb7887ab4f0d39e69671d

    • SSDEEP

      24576:zEYQQljC3yuDAKKlgFNAsMnIHE1rw5pr3cLrNMTO/EraVEhaWTQht5:wYQojd9KEgFNDo1E5RMHarr5aWTK5

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks