This attempt is common since these scammers try to catch your attention and scam you later on.

So better block those who send you a message first if you don't know them especially if they talk investment and other financial matters since for sure their had bad intention on you. This is classic scam and don't try to deal with random people online especially on telegram since there's lots of scammers out there.

Also best to set your settings to Nobody can send you message first on telegram so that you can avoid getting an issue with those scammers.