The filename follows the standard naming convention used by Telegram , indicating the video was saved or exported from that platform on November 27, 2021, at approximately 6:11 PM .
: Enter the date 2021-11-27 in the search bar of your Telegram app to locate media sent around that time. video_2021-11-27_18-11-21.mp4
Do you have a of the video or can you describe what happens in it ? I might be able to identify the content for you. The filename follows the standard naming convention used