General

  • Target

    ac5be0e12802839366243997af6620e86ae4540a9bd888e1ac140323400095c1.exe

  • Size

    422KB

  • Sample

    240521-rv76gshc9w

  • MD5

    834ea699f82aa32660cb329a96986165

  • SHA1

    e8a5bf4ef04ac4dfaed563305c2c98223eabe46f

  • SHA256

    ac5be0e12802839366243997af6620e86ae4540a9bd888e1ac140323400095c1

  • SHA512

    3101a96ceedc1eda1090a34d6ac6aa26155958397f62bd6fbe02dd147010baf837ce406ce36c6a48f9134431a91bd5b722558aac64a4e9f9ffa92052bd9a27db

  • SSDEEP

    12288:bxIhIkRoFQkVoVSInyeGrCwYP2CGS0uSq8:2IroUUH0CJ2CGo

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      ac5be0e12802839366243997af6620e86ae4540a9bd888e1ac140323400095c1.exe

    • Size

      422KB

    • MD5

      834ea699f82aa32660cb329a96986165

    • SHA1

      e8a5bf4ef04ac4dfaed563305c2c98223eabe46f

    • SHA256

      ac5be0e12802839366243997af6620e86ae4540a9bd888e1ac140323400095c1

    • SHA512

      3101a96ceedc1eda1090a34d6ac6aa26155958397f62bd6fbe02dd147010baf837ce406ce36c6a48f9134431a91bd5b722558aac64a4e9f9ffa92052bd9a27db

    • SSDEEP

      12288:bxIhIkRoFQkVoVSInyeGrCwYP2CGS0uSq8:2IroUUH0CJ2CGo

    • 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.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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