General

  • Target

    50cb2e64b6d56b63dea489839ce9a02453f34d613bdc7dcba7b62d2b2c3d0c16

  • Size

    1.7MB

  • Sample

    240704-vnyj9asckh

  • MD5

    c5a542c038035d3a9c16879811f9bedd

  • SHA1

    ab47898594c8cfc18880f01dd9a4fcc7943d6583

  • SHA256

    50cb2e64b6d56b63dea489839ce9a02453f34d613bdc7dcba7b62d2b2c3d0c16

  • SHA512

    80e99beb6893e246a73e136a797ac3a7c7b2dee0f4b99bb9c389bbbae7a0e50dda267c714cabce43dc691de98481739082ccd890a0709fdfa43ca0bede2b27b9

  • SSDEEP

    24576:UBqWKKYMPEVRYzMPkYHXANYksiZArxliP4OTomFu5Xxth9:UyM8VR8W5aYRi2lpYu5XxZ

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      50cb2e64b6d56b63dea489839ce9a02453f34d613bdc7dcba7b62d2b2c3d0c16

    • Size

      1.7MB

    • MD5

      c5a542c038035d3a9c16879811f9bedd

    • SHA1

      ab47898594c8cfc18880f01dd9a4fcc7943d6583

    • SHA256

      50cb2e64b6d56b63dea489839ce9a02453f34d613bdc7dcba7b62d2b2c3d0c16

    • SHA512

      80e99beb6893e246a73e136a797ac3a7c7b2dee0f4b99bb9c389bbbae7a0e50dda267c714cabce43dc691de98481739082ccd890a0709fdfa43ca0bede2b27b9

    • SSDEEP

      24576:UBqWKKYMPEVRYzMPkYHXANYksiZArxliP4OTomFu5Xxth9:UyM8VR8W5aYRi2lpYu5XxZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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