Huang state of H. aucma may IDed in that spot 2 & 3 have little overlap while in H. molta the two spots overlap more.
Eliot state in H. aucma, spots tend to be small (so little overlap) & UnH markings less defined.

Putting the two criteria together .
H. aucma.
https://www.ifoundbutterflies.org/si...0d3862-2_1.jpg
https://www.ifoundbutterflies.org/si...0d3862-3_1.jpg

https://www.ifoundbutterflies.org/si...e50d3862-1.jpg
https://www.ifoundbutterflies.org/si...50f2fb97-1.jpg



This looks to be H. molta.
Spots 2 & 3 with more overlap.
UnH discal dark spots well-defined & discrete.
https://www.ifoundbutterflies.org/si...c40f82-1_0.jpg
https://www.ifoundbutterflies.org/si...20c8b2-1_0.jpg


TL Seow: Cheers.