The Division of Spoils and Dishonesty regarding them - Section 2 Mishkat al-Masabih 4015

Arabic hadith text
وَعَنْ أَبِي سَعِيدٍ قَالَ: نَهَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَن شري الْمغنم حَتَّى تقسم. رَوَاهُ التِّرْمِذِيّ
Translation

Aba Sa'id told that God’s Messenger forbade selling booty before it was divided. Tirmidhi transmitted it.