Sahih Muslim
656.01

Abd al-Rahman b. Abd 'Amr reported:'Uthman b. 'Affan (narrated the mosque after evening prayer and sat alone. I also sat alone with him, so he said: 0, son of my brother, I heard the Messenger of Allah (ﷺ) say: He who observed the 'Isha' prayer in congregation, it was as if he prayed up to midnight, and he who prayed the morning prayer in congregation, it was as if he prayed the whole night

656.02

This hadith has been narrated by the chain of transmitters by Abu Sahl 'Uthman b. Hakim