General

  • Target

    download (1).exe

  • Size

    54KB

  • Sample

    250221-zlerkszqer

  • MD5

    65e39352ca84a97570dfe619f89f2ace

  • SHA1

    7069acdade99e87963416f9ac328ecaf6d41e0f4

  • SHA256

    01feb80531ac8cdf139a0ab7deae363e94b5374c1ecaa8cf7c04d844bc0aab44

  • SHA512

    dd8ccafa3786976153538ac36a11da90774461b1bdc75cd590e63a33ea606cdfd34e74becb873771a865b3c6c18cc2ab2e6d38fe774ed2e510b64a2ac2653df8

  • SSDEEP

    768:iRnQa2Yj33qaheYRaYGy4zH5rzza4EL049zO2YR2RvA1ThaXyDvM:6Qa2sqClRa9xr5Ta7YwzO5YIbuwvM

Malware Config

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      download (1).exe

    • Size

      54KB

    • MD5

      65e39352ca84a97570dfe619f89f2ace

    • SHA1

      7069acdade99e87963416f9ac328ecaf6d41e0f4

    • SHA256

      01feb80531ac8cdf139a0ab7deae363e94b5374c1ecaa8cf7c04d844bc0aab44

    • SHA512

      dd8ccafa3786976153538ac36a11da90774461b1bdc75cd590e63a33ea606cdfd34e74becb873771a865b3c6c18cc2ab2e6d38fe774ed2e510b64a2ac2653df8

    • SSDEEP

      768:iRnQa2Yj33qaheYRaYGy4zH5rzza4EL049zO2YR2RvA1ThaXyDvM:6Qa2sqClRa9xr5Ta7YwzO5YIbuwvM

    • Detect Vidar Stealer

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Uses browser remote debugging

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks