Sunan an-Nasa'i 4087
سنن النسائي#4087SahihIt was narrated that 'Abudllah bin 'Amr said:"The Messenger of Allah [SAW] said: 'Whoever is killed defending his wealth, he is a martyr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 37:122