General

  • Target

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe

  • Size

    1.1MB

  • Sample

    241027-v5ehps1cnm

  • MD5

    3dda292f77b97dfbdc3e00053784a136

  • SHA1

    824be91ad1f3422204b8b6368f481c47d5c41338

  • SHA256

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da

  • SHA512

    62a7432fb8e4b6a4e1eb0918642d4bee02e55e239d90ce8fc16e4441694c435c11d53a71ac47adf82603679de3b5e7e22dec749394d3c95790c40ce01bf31ca2

  • SSDEEP

    24576:LSeqDj22FCrg559kuT8TBNRU5Vg/8HuvKHR4uCc9lnlJkYn:LhqXlr55XTU3RQ3HWKx1C6ZlJkYn

Malware Config

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe

    • Size

      1.1MB

    • MD5

      3dda292f77b97dfbdc3e00053784a136

    • SHA1

      824be91ad1f3422204b8b6368f481c47d5c41338

    • SHA256

      544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da

    • SHA512

      62a7432fb8e4b6a4e1eb0918642d4bee02e55e239d90ce8fc16e4441694c435c11d53a71ac47adf82603679de3b5e7e22dec749394d3c95790c40ce01bf31ca2

    • SSDEEP

      24576:LSeqDj22FCrg559kuT8TBNRU5Vg/8HuvKHR4uCc9lnlJkYn:LhqXlr55XTU3RQ3HWKx1C6ZlJkYn

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • 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