General

  • Target

    6b91a817ffc0a0b25ee3f997127a3efe044e1425fc46ea844a33814ee8f8b4b5

  • Size

    2.2MB

  • Sample

    240629-vm5l6svcrp

  • MD5

    a45010830d35b4349f901291f63ee5cf

  • SHA1

    29524d6e0b7d5bae24293830fbb342947f1b1628

  • SHA256

    6b91a817ffc0a0b25ee3f997127a3efe044e1425fc46ea844a33814ee8f8b4b5

  • SHA512

    99b69cc530c156180cef548dbd01d677e5ab2a4e1e37a83c6759f666dc3a4495ceb6147443c4dd11db79b5d220202055bc76169c7f3f57755b1700a0b1be3b86

  • SSDEEP

    49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

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

      6b91a817ffc0a0b25ee3f997127a3efe044e1425fc46ea844a33814ee8f8b4b5

    • Size

      2.2MB

    • MD5

      a45010830d35b4349f901291f63ee5cf

    • SHA1

      29524d6e0b7d5bae24293830fbb342947f1b1628

    • SHA256

      6b91a817ffc0a0b25ee3f997127a3efe044e1425fc46ea844a33814ee8f8b4b5

    • SHA512

      99b69cc530c156180cef548dbd01d677e5ab2a4e1e37a83c6759f666dc3a4495ceb6147443c4dd11db79b5d220202055bc76169c7f3f57755b1700a0b1be3b86

    • SSDEEP

      49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

    • 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

    • 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