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General

  • Target

    4faca83e2b6f22674e8695bca3562096d0a0d561e27dedcb503b9ce604e3bd56

  • Size

    2.2MB

  • Sample

    240625-x8p5qa1cmn

  • MD5

    01917d3e87f511f27fc4fe2a39e4f8c2

  • SHA1

    3712b70dfff1639b57d5aa349a548f06ccf59cbf

  • SHA256

    4faca83e2b6f22674e8695bca3562096d0a0d561e27dedcb503b9ce604e3bd56

  • SHA512

    bcb8cff4d96dd52f25fc000de8be99c5dbd41cc715662227ada96cc40ed9a1463e806537987a9fd5b22157623108da2ea506c25a53a661724201e05c2705322c

  • SSDEEP

    49152:lAgY7fvVtbBaxmcqMTBeerKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeerKQl+bYxzIBA6uMST

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

      4faca83e2b6f22674e8695bca3562096d0a0d561e27dedcb503b9ce604e3bd56

    • Size

      2.2MB

    • MD5

      01917d3e87f511f27fc4fe2a39e4f8c2

    • SHA1

      3712b70dfff1639b57d5aa349a548f06ccf59cbf

    • SHA256

      4faca83e2b6f22674e8695bca3562096d0a0d561e27dedcb503b9ce604e3bd56

    • SHA512

      bcb8cff4d96dd52f25fc000de8be99c5dbd41cc715662227ada96cc40ed9a1463e806537987a9fd5b22157623108da2ea506c25a53a661724201e05c2705322c

    • SSDEEP

      49152:lAgY7fvVtbBaxmcqMTBeerKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeerKQl+bYxzIBA6uMST

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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