General

  • Target

    Setup.exe.vir

  • Size

    6.8MB

  • Sample

    240629-nsl9fszdjp

  • MD5

    0f111a864fe0ce8d53490cad2c07e9b8

  • SHA1

    bbbdc6d695d6a981db24801bbe9a8dd7268f138d

  • SHA256

    8593a9f9ddccadf6227d6fa9c75ba6b53bc614d91ca23c72dbf1238beac0c7b0

  • SHA512

    98a4f6da11e8e6637268504fc05f19ad633c14e9d2f75dc936fe4ba616660b1effa8b667e9febb743a1e4e771c3cc350860beacf0ce7c3b82e61654872342fac

  • SSDEEP

    49152:sTM8odx4PYInPYXQYS349o00xbO0pL0p2KHPwuoeohOTCgaRS6YdlcWUlOcYpP99:Q0noeoh5gaRS62cWUlcploE5AGP+Xh

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

      Setup.exe.vir

    • Size

      6.8MB

    • MD5

      0f111a864fe0ce8d53490cad2c07e9b8

    • SHA1

      bbbdc6d695d6a981db24801bbe9a8dd7268f138d

    • SHA256

      8593a9f9ddccadf6227d6fa9c75ba6b53bc614d91ca23c72dbf1238beac0c7b0

    • SHA512

      98a4f6da11e8e6637268504fc05f19ad633c14e9d2f75dc936fe4ba616660b1effa8b667e9febb743a1e4e771c3cc350860beacf0ce7c3b82e61654872342fac

    • SSDEEP

      49152:sTM8odx4PYInPYXQYS349o00xbO0pL0p2KHPwuoeohOTCgaRS6YdlcWUlOcYpP99:Q0noeoh5gaRS62cWUlcploE5AGP+Xh

    • 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.

    • 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.

    • 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