General

  • Target

    1d783a1016d5af41ab5c73edd2e0962e51dc1070491deb56c750479788ae7dfc

  • Size

    1.5MB

  • Sample

    240627-y7tl7aygja

  • MD5

    cd8f31b50451e1f078d47498be2c10d9

  • SHA1

    b57dd8fea45163464e87e0a877f54743ee1ad8e3

  • SHA256

    1d783a1016d5af41ab5c73edd2e0962e51dc1070491deb56c750479788ae7dfc

  • SHA512

    714e14d3dd2124ebd438fdb17586942ec5808b129e80ec9dd13dc9a5de69c96c5a2d5445e92e2fad7e8b7454801ff2ae3f8ba7e87d73fbd02c1eb93d56ff8230

  • SSDEEP

    24576:BXc46Crf8fywacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8awHHO+SASagXkJr4MDkUwm

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

      1d783a1016d5af41ab5c73edd2e0962e51dc1070491deb56c750479788ae7dfc

    • Size

      1.5MB

    • MD5

      cd8f31b50451e1f078d47498be2c10d9

    • SHA1

      b57dd8fea45163464e87e0a877f54743ee1ad8e3

    • SHA256

      1d783a1016d5af41ab5c73edd2e0962e51dc1070491deb56c750479788ae7dfc

    • SHA512

      714e14d3dd2124ebd438fdb17586942ec5808b129e80ec9dd13dc9a5de69c96c5a2d5445e92e2fad7e8b7454801ff2ae3f8ba7e87d73fbd02c1eb93d56ff8230

    • SSDEEP

      24576:BXc46Crf8fywacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8awHHO+SASagXkJr4MDkUwm

    • 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

    • 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