It was narrated from Ibrahim bin Abdur-Rahman bin Awf that his father said:
"I heard the Messenger of Allah (ﷺ) say: 'The hand of the pilferer is not to be cut off". (PT)
English reference (PT): Vol. 3, Book 20, Hadith 2592 (PT)
Arabic reference (PT): Book 20, Hadith 2690 (PT)