General

  • Target

    SecuriteInfo.com.Win32.Evo-gen.4095.23980.exe

  • Size

    1.7MB

  • Sample

    250222-wxpt5svlew

  • MD5

    87da0483aefde76a5086c5b2ea14304f

  • SHA1

    ae6b27aeaf487666c71b26397709004e65b09002

  • SHA256

    33f44b2fa9a46ef2ce1d03303d8f959e070ba8a1109ad302b5461ad74ef99c4f

  • SHA512

    ca28949636f5d32e161b81d993a22839d65aea050ba7f8452ca70b6a2c8fd7385adbb9f2e5ad7da8edd3956b9d222452d5b86684ff0c7f3e2dc86930820f65e4

  • SSDEEP

    24576:GU8wi2PXGGUj1E7SK43rNeu70UjzyYO4PhF/09JW+EO69z/gK8mi6mcDJZKqvliL:GUu/ZE7lpu77Fc9JWfOPmlH/KLoSxHf

Malware Config

Targets

    • Target

      SecuriteInfo.com.Win32.Evo-gen.4095.23980.exe

    • Size

      1.7MB

    • MD5

      87da0483aefde76a5086c5b2ea14304f

    • SHA1

      ae6b27aeaf487666c71b26397709004e65b09002

    • SHA256

      33f44b2fa9a46ef2ce1d03303d8f959e070ba8a1109ad302b5461ad74ef99c4f

    • SHA512

      ca28949636f5d32e161b81d993a22839d65aea050ba7f8452ca70b6a2c8fd7385adbb9f2e5ad7da8edd3956b9d222452d5b86684ff0c7f3e2dc86930820f65e4

    • SSDEEP

      24576:GU8wi2PXGGUj1E7SK43rNeu70UjzyYO4PhF/09JW+EO69z/gK8mi6mcDJZKqvliL:GUu/ZE7lpu77Fc9JWfOPmlH/KLoSxHf

    • 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.

    • Checks computer location settings

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

    • 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