General

  • Target

    patch.exe

  • Size

    588KB

  • Sample

    240907-dgzejasbkf

  • MD5

    2afbb4562f46e981beae497935002d3c

  • SHA1

    8ede8d5c5551a8b6237a3c04f77b6f374e7c3539

  • SHA256

    7b949ec5f73dff9e83d9c5e8995e025940f1ed6d3b07c27923d9321ca9a42ead

  • SHA512

    112cc4a88078bfbadc86fe9e193b09307fe076be20b2080af968c8aea2d91ba691fe418444ea22b6c7e49dab9db4bb6b121f40e1aabef4219a4d62ab6fccab54

  • SSDEEP

    12288:Fvly0YiZfGHMwK7aAbMH3150pYEqstB166O0qyFAGLHZD0a+:Fdy0YhM8CMLyYitBC0qyFNZT

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Targets

    • Target

      patch.exe

    • Size

      588KB

    • MD5

      2afbb4562f46e981beae497935002d3c

    • SHA1

      8ede8d5c5551a8b6237a3c04f77b6f374e7c3539

    • SHA256

      7b949ec5f73dff9e83d9c5e8995e025940f1ed6d3b07c27923d9321ca9a42ead

    • SHA512

      112cc4a88078bfbadc86fe9e193b09307fe076be20b2080af968c8aea2d91ba691fe418444ea22b6c7e49dab9db4bb6b121f40e1aabef4219a4d62ab6fccab54

    • SSDEEP

      12288:Fvly0YiZfGHMwK7aAbMH3150pYEqstB166O0qyFAGLHZD0a+:Fdy0YhM8CMLyYitBC0qyFNZT

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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