General

  • Target

    0bb3923a3638b196efdf9ba9ea355d8ad5c9fdc66b8fb8c4c513cdacdeb31264

  • Size

    2.2MB

  • Sample

    240703-t4kgwszflh

  • MD5

    630fb12b1c98f60b1e928fe395e9cc0f

  • SHA1

    4a28686bea74d1e5d6926492639af887836f698c

  • SHA256

    0bb3923a3638b196efdf9ba9ea355d8ad5c9fdc66b8fb8c4c513cdacdeb31264

  • SHA512

    66fd911a8a7affda26a996cdda3feb26f2fea67400ad32df5ab6188d159bd46bf8895868eeb3756b226fc5eaf7a67e8875abe354296a54056c7af4061d1c4811

  • SSDEEP

    24576:tS3YnKk3guxNWbmbbKBBdQlNy6YzMPkYHXANYksiZArxliP4OTomFu5Xxth9:c3YKMF38W5aYRi2lpYu5XxZ

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      0bb3923a3638b196efdf9ba9ea355d8ad5c9fdc66b8fb8c4c513cdacdeb31264

    • Size

      2.2MB

    • MD5

      630fb12b1c98f60b1e928fe395e9cc0f

    • SHA1

      4a28686bea74d1e5d6926492639af887836f698c

    • SHA256

      0bb3923a3638b196efdf9ba9ea355d8ad5c9fdc66b8fb8c4c513cdacdeb31264

    • SHA512

      66fd911a8a7affda26a996cdda3feb26f2fea67400ad32df5ab6188d159bd46bf8895868eeb3756b226fc5eaf7a67e8875abe354296a54056c7af4061d1c4811

    • SSDEEP

      24576:tS3YnKk3guxNWbmbbKBBdQlNy6YzMPkYHXANYksiZArxliP4OTomFu5Xxth9:c3YKMF38W5aYRi2lpYu5XxZ

    • 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