Question: Can I use AOE1DE graphics in my mod?

I’m the creator of a mod on HD and Voobly called Project AG3, which borrows units from aoe1 like chariots and hoplites
So, short and straight to the point, would there be any legal concerns about me using graphic files from AoE1 DE (to make an AoE2 DE port of my mod)? Hoping someone involved in development can answer - I don’t want to commit to something to find out I can’t use the hoplite and chariot graphics

I recognize that AoE1 Scout, Legion, and Photon Man are in aoe2de as microsoft mods from earlier events, so I’m asking to make sure there wouldn’t be any serious copyright concerns for me using 1’s graphic files