Curetis tagalica, most likely. Can be diificult to separate tagalica & regula in some examples.
C. tagalica have the HW lunulate mark in space 6 more deeply - set against marks 5 & 7; FW marks 4 & 5 tends to jut out more (ie. band more irregular).
C. regula from Brunei & Malaya (your own)
http://upload.wikimedia.org/wikipedi...laMUpUnAC1.jpg
http://m0.i.pbase.com/g4/25/686825/2...0.QXkig9Dl.jpg