Video_2021-06-27_02-52-12-ykyutmyl.mp4

: Check the file's MD5 or SHA-1 hash on platforms like VirusTotal or Hybrid Analysis . Sometimes, malware or specific CTF samples are indexed by their hash rather than their original filename.

: Telegram often appends unique strings to saved media files to prevent overwriting. video_2021-06-27_02-52-12-yKyUtmyL.mp4

Public records for this specific filename do not point to a widely documented "flag" or solution for a Capture The Flag (CTF) challenge. However, files with this exact naming format from June 2021 often appear in: : Check the file's MD5 or SHA-1 hash

If you are analyzing this for a forensic or OSINT task, consider the following methods: consider the following methods: