General

  • Target

    9f3205479a5ff3acd9eafdb8eaa629e9.exe

  • Size

    2.2MB

  • Sample

    240628-3qj4msycpn

  • MD5

    9f3205479a5ff3acd9eafdb8eaa629e9

  • SHA1

    0db77b61300e8e3ea19c8de71a078bb853e5166d

  • SHA256

    5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e

  • SHA512

    adfd9e32fa17d358b5093bfdd9c257b20c8015303ced7b94e2acd00b407fd0e79d5bfa30d38272ebdc8564730f4316d0831833236a20d4daee815c288a04b065

  • SSDEEP

    49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

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

      9f3205479a5ff3acd9eafdb8eaa629e9.exe

    • Size

      2.2MB

    • MD5

      9f3205479a5ff3acd9eafdb8eaa629e9

    • SHA1

      0db77b61300e8e3ea19c8de71a078bb853e5166d

    • SHA256

      5c483ed90d904d0d81967c91ac431a2c27228fd9562dd2f2e3f003644c59076e

    • SHA512

      adfd9e32fa17d358b5093bfdd9c257b20c8015303ced7b94e2acd00b407fd0e79d5bfa30d38272ebdc8564730f4316d0831833236a20d4daee815c288a04b065

    • SSDEEP

      49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

    • 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

    • 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