General

  • Target

    6344e03f4026603b9f263d9984d47c6d4e9b506a5d72eccb57d43b95e136eb0f

  • Size

    2.2MB

  • Sample

    240629-v1k5pasanc

  • MD5

    6d466dd0a56d082c96f711c6ee52601c

  • SHA1

    75c84418d02eccc61d2a2ea507922ef9b9d994e2

  • SHA256

    6344e03f4026603b9f263d9984d47c6d4e9b506a5d72eccb57d43b95e136eb0f

  • SHA512

    970010e7e9af9c52610b6a6c56bb6e5122d49aef670a31514b3312162d1554e57afac47419328c67cb4a9cdf3e9aed5c01f45778cb33b1c88b6b4ae4a5f1b63a

  • SSDEEP

    49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

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

      6344e03f4026603b9f263d9984d47c6d4e9b506a5d72eccb57d43b95e136eb0f

    • Size

      2.2MB

    • MD5

      6d466dd0a56d082c96f711c6ee52601c

    • SHA1

      75c84418d02eccc61d2a2ea507922ef9b9d994e2

    • SHA256

      6344e03f4026603b9f263d9984d47c6d4e9b506a5d72eccb57d43b95e136eb0f

    • SHA512

      970010e7e9af9c52610b6a6c56bb6e5122d49aef670a31514b3312162d1554e57afac47419328c67cb4a9cdf3e9aed5c01f45778cb33b1c88b6b4ae4a5f1b63a

    • SSDEEP

      49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

    • 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.

    • 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