General

  • Target

    7b335ef476d1d16265a3a9d485b61a7ff0b4077fa8faa2bc9e0e1a012470a976

  • Size

    2.2MB

  • Sample

    240628-w4wk9sycrc

  • MD5

    97b6110db4bbd1e4a07d4f981d0fd338

  • SHA1

    97b18cef40465a8ef28727d9e71bec0065e0824a

  • SHA256

    7b335ef476d1d16265a3a9d485b61a7ff0b4077fa8faa2bc9e0e1a012470a976

  • SHA512

    cdab8d00f79e454ce3831f7b8a388a0fade01c987b06b43c7388bdc2d6d330b62d579b5f1f8fd13ac48e10f65f6b45632dc9147cf70b508db7d20e063a54fa93

  • 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

      7b335ef476d1d16265a3a9d485b61a7ff0b4077fa8faa2bc9e0e1a012470a976

    • Size

      2.2MB

    • MD5

      97b6110db4bbd1e4a07d4f981d0fd338

    • SHA1

      97b18cef40465a8ef28727d9e71bec0065e0824a

    • SHA256

      7b335ef476d1d16265a3a9d485b61a7ff0b4077fa8faa2bc9e0e1a012470a976

    • SHA512

      cdab8d00f79e454ce3831f7b8a388a0fade01c987b06b43c7388bdc2d6d330b62d579b5f1f8fd13ac48e10f65f6b45632dc9147cf70b508db7d20e063a54fa93

    • 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

    • 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