General

  • Target

    86bc655cc2d621be255c11459364357fcc424636630586bcea1c1c4b6f220460

  • Size

    2.2MB

  • Sample

    240629-xrxs8sxblk

  • MD5

    f08629e9849d938508a1699632367466

  • SHA1

    b139861ec9224db808f631f9fdd7639348d6c44b

  • SHA256

    86bc655cc2d621be255c11459364357fcc424636630586bcea1c1c4b6f220460

  • SHA512

    33dad770865fcc35cc0eebcc90d723e6febdf955583a5d6f44b674d22b6932a35ac490752594cd62256ee9f06f260d3f9986dfa5137e2504d3921c0cd020fe36

  • SSDEEP

    49152:qpjNvr9ySAOmw4hHHO+SASagXkJr4MDkUwm:qpjNp7p4hHH8n5A

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

      86bc655cc2d621be255c11459364357fcc424636630586bcea1c1c4b6f220460

    • Size

      2.2MB

    • MD5

      f08629e9849d938508a1699632367466

    • SHA1

      b139861ec9224db808f631f9fdd7639348d6c44b

    • SHA256

      86bc655cc2d621be255c11459364357fcc424636630586bcea1c1c4b6f220460

    • SHA512

      33dad770865fcc35cc0eebcc90d723e6febdf955583a5d6f44b674d22b6932a35ac490752594cd62256ee9f06f260d3f9986dfa5137e2504d3921c0cd020fe36

    • SSDEEP

      49152:qpjNvr9ySAOmw4hHHO+SASagXkJr4MDkUwm:qpjNp7p4hHH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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