This project was conducted to create a very first malware dataset for IoT applications. you can find the malware and benign samples opcode from here. If you need the raw files you can contact me to send you the raw files of dataset. If you use this dataset you can site the main paper as follow.
You can read more about the structure of dataset from following paper:
https://www.sciencedirect.com/science/article/pii/S0167739X1732486X