Vid-20221121-wa0000.mp4 Today

: Indicates the file was generated or processed by WhatsApp.

: The date the video was created or saved (November 21, 2022) in YYYYMMDD format. VID-20221121-WA0000.mp4

Because this is a generic name, many different videos share it across the web. Examples found under this exact title include: VID-20221121-WA0000.mp4 | Videos & Movies on Vimeo : Indicates the file was generated or processed by WhatsApp