Al-Kāfi - The Book of Haj

8ـ وَعَنْهُ عَنْ إِسْ٠ٍ قَالَ قَالَ أَبُو الْحَسَنِ (عَلَيْهِ السَّلاَ٠) دَخَلَ النَّبِيُّ (صلَّى اللهُ عَلَيْهِ وَآلِه) الْكَعْبَةَ فَصَلَّى فِي زَوَايَاهَا الأَرْبَعِ صَلَّى فِي كُلِّ زَاوِيَةٍ رَكْعَتَيْنِ. 8.

It is narrated from him (narrator of previous Hadith) from ‘Isma‘il ibn Hammam who has said the following: “Abu al-Hassan (a.s.), has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, entered al-Ka‘bah and performed Salat (prayer) in all of its four corners two Rak‘at in each.’” صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (18/227))