General

  • Target

    a43347013f2ba6c30bd6f5f7d4ea4c48ab72203316d5236fb88bae436e930019

  • Size

    2.2MB

  • Sample

    240628-qsqyravdnn

  • MD5

    ce657637f1b1a5949d0be46e973f8b80

  • SHA1

    05dd60868afb9867a3f07232636e97231e3f1c34

  • SHA256

    a43347013f2ba6c30bd6f5f7d4ea4c48ab72203316d5236fb88bae436e930019

  • SHA512

    8be99b40946fa11cb3c45f16aef3455502e1eb18e2a8adfc0fef72201c355815135eb8ed957c018ece41eb8d4917f466d86b687238a0cc1c9aed9f74d3b5fc75

  • 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

      a43347013f2ba6c30bd6f5f7d4ea4c48ab72203316d5236fb88bae436e930019

    • Size

      2.2MB

    • MD5

      ce657637f1b1a5949d0be46e973f8b80

    • SHA1

      05dd60868afb9867a3f07232636e97231e3f1c34

    • SHA256

      a43347013f2ba6c30bd6f5f7d4ea4c48ab72203316d5236fb88bae436e930019

    • SHA512

      8be99b40946fa11cb3c45f16aef3455502e1eb18e2a8adfc0fef72201c355815135eb8ed957c018ece41eb8d4917f466d86b687238a0cc1c9aed9f74d3b5fc75

    • 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 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