This hadeeth is not authentic and it was not reported by Muslim in the Saheeh.

The Prophet, said: ‘Has Allaah not made for you (the reward of) offering the ‘Ishaa’ Prayer in congregation equal to that of performing Hajj once, and the (reward of) offering the Morning Prayer in congregation equal to that of performing ‘Umrah one time(MUSLIM)

Hadeeth & its Sciences |