General

  • Target

    file.exe

  • Size

    275KB

  • Sample

    241125-mkyf3symbk

  • MD5

    df96c3d0bb84474f4ed6c4206d1bacea

  • SHA1

    3e846e3a979cfad2df3eadc821fccf48f2cda4fd

  • SHA256

    dab9fee612125503146e28407ec8631232d6b48d567c902b6743bf2e984048b8

  • SHA512

    17ab06107bfcbbd4cc5503996d544d5d48e6ae4f49f76be841455885b77e5c7a5128ab74903a1825dd3a809aed12b414f7dc97c2ae7f5750ad67abba22bd1055

  • SSDEEP

    6144:rh0ZpFC4sffny7TuLBdZlT4DIJYdy3i8ioyrN:rh0ZpFCfB3TGyYy35iBZ

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

93e4f2dec1428009f8bc755e83a21d1b

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      file.exe

    • Size

      275KB

    • MD5

      df96c3d0bb84474f4ed6c4206d1bacea

    • SHA1

      3e846e3a979cfad2df3eadc821fccf48f2cda4fd

    • SHA256

      dab9fee612125503146e28407ec8631232d6b48d567c902b6743bf2e984048b8

    • SHA512

      17ab06107bfcbbd4cc5503996d544d5d48e6ae4f49f76be841455885b77e5c7a5128ab74903a1825dd3a809aed12b414f7dc97c2ae7f5750ad67abba22bd1055

    • SSDEEP

      6144:rh0ZpFC4sffny7TuLBdZlT4DIJYdy3i8ioyrN:rh0ZpFCfB3TGyYy35iBZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks