General

  • Target

    dd9cc07434ea22277502d2dc7587f5d7aabae6fcc10fa25b1c200e5a048742a1

  • Size

    2.2MB

  • Sample

    240628-1ydkqatbnf

  • MD5

    e6af8fb37681088870afa8bcdc8e2d15

  • SHA1

    1b54ea5a39eb9d79ec0413965722c8a38af3010e

  • SHA256

    dd9cc07434ea22277502d2dc7587f5d7aabae6fcc10fa25b1c200e5a048742a1

  • SHA512

    1ac554fb2ccb3b501c59256379f51b47a677a3eec53ec1c1ddbb2ca4985e48566f853fcbd44c089e7d114bf9d05e442af75a943d5e168fb51cec436061dc0107

  • SSDEEP

    49152:qpjNvr9ySAOmw4ZHHO+SASagXkJr4MDkUwm:qpjNp7p4ZHH8n5A

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

      dd9cc07434ea22277502d2dc7587f5d7aabae6fcc10fa25b1c200e5a048742a1

    • Size

      2.2MB

    • MD5

      e6af8fb37681088870afa8bcdc8e2d15

    • SHA1

      1b54ea5a39eb9d79ec0413965722c8a38af3010e

    • SHA256

      dd9cc07434ea22277502d2dc7587f5d7aabae6fcc10fa25b1c200e5a048742a1

    • SHA512

      1ac554fb2ccb3b501c59256379f51b47a677a3eec53ec1c1ddbb2ca4985e48566f853fcbd44c089e7d114bf9d05e442af75a943d5e168fb51cec436061dc0107

    • SSDEEP

      49152:qpjNvr9ySAOmw4ZHHO+SASagXkJr4MDkUwm:qpjNp7p4ZHH8n5A

    • 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