General

  • Target

    b7f851c1e033dabb837f079c6f81e7a460721c7076c355110840d69d3882cdc0

  • Size

    2.2MB

  • Sample

    240628-zf45aavblp

  • MD5

    da09d7485c365cc5af446229bd3d029b

  • SHA1

    b285e891bbdb9a7e32c685ff4bfea6938996ac37

  • SHA256

    b7f851c1e033dabb837f079c6f81e7a460721c7076c355110840d69d3882cdc0

  • SHA512

    52fcd2b46a44a27dfb7ee438d8b3b259f06d6093e7c8edbab62f5df1f2e730a992c409acac4b28924f80745b24dae4d6adf0228e1540b093ba383b9c69eaaeca

  • SSDEEP

    49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      b7f851c1e033dabb837f079c6f81e7a460721c7076c355110840d69d3882cdc0

    • Size

      2.2MB

    • MD5

      da09d7485c365cc5af446229bd3d029b

    • SHA1

      b285e891bbdb9a7e32c685ff4bfea6938996ac37

    • SHA256

      b7f851c1e033dabb837f079c6f81e7a460721c7076c355110840d69d3882cdc0

    • SHA512

      52fcd2b46a44a27dfb7ee438d8b3b259f06d6093e7c8edbab62f5df1f2e730a992c409acac4b28924f80745b24dae4d6adf0228e1540b093ba383b9c69eaaeca

    • SSDEEP

      49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • 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