General

  • Target

    a9157bff7034c95796152201796c6f97530e27277429af9ff350ac554bd37939

  • Size

    1.6MB

  • Sample

    241105-n27lrazmb1

  • MD5

    90cace0b799aaad6cfc9436953f75652

  • SHA1

    13b3102f25ad542cae0628fdd0880ac147a1b5b0

  • SHA256

    a9157bff7034c95796152201796c6f97530e27277429af9ff350ac554bd37939

  • SHA512

    6ed16a6403d8801e84db3b81de2b0f6d4702b9b60fff80e331e6e124e9145a5b1226b121a0c05258686a70b12b78afd4434e5be956e564615c4a6146c9a61a9c

  • SSDEEP

    49152:GhX126vTMGbSNquzod7fQzEytWlIu5LyaH8b:ol26LM3NI1QYytWlIu5LyaW

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

      a9157bff7034c95796152201796c6f97530e27277429af9ff350ac554bd37939

    • Size

      1.6MB

    • MD5

      90cace0b799aaad6cfc9436953f75652

    • SHA1

      13b3102f25ad542cae0628fdd0880ac147a1b5b0

    • SHA256

      a9157bff7034c95796152201796c6f97530e27277429af9ff350ac554bd37939

    • SHA512

      6ed16a6403d8801e84db3b81de2b0f6d4702b9b60fff80e331e6e124e9145a5b1226b121a0c05258686a70b12b78afd4434e5be956e564615c4a6146c9a61a9c

    • SSDEEP

      49152:GhX126vTMGbSNquzod7fQzEytWlIu5LyaH8b:ol26LM3NI1QYytWlIu5LyaW

    • 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.

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks