General

  • Target

    f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6

  • Size

    2.2MB

  • Sample

    240628-wh1m4axgna

  • MD5

    37c6f014f4c4803eec0f9263fa37b3c9

  • SHA1

    576c0af6d614c090dec7b39393a8a392c546d2a5

  • SHA256

    f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6

  • SHA512

    9518487ad9ad31eae0a399e224cdb5a59fd5a749cec420cc49d36575347317ab139c9ba15fddf78b0838a6104c86013f56e5994ca5d50b18eed8ed7c05523502

  • SSDEEP

    49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A

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

      f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6

    • Size

      2.2MB

    • MD5

      37c6f014f4c4803eec0f9263fa37b3c9

    • SHA1

      576c0af6d614c090dec7b39393a8a392c546d2a5

    • SHA256

      f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6

    • SHA512

      9518487ad9ad31eae0a399e224cdb5a59fd5a749cec420cc49d36575347317ab139c9ba15fddf78b0838a6104c86013f56e5994ca5d50b18eed8ed7c05523502

    • SSDEEP

      49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A

    • 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