Malayan Weasel (Mustela nudipes) so many flavours of this guy
the book i used to help figure out what subspecies was who On the variation of Mustela (Lutreola) nudipes Desm. by Brongersma, L D; Junge, G C A
the lighter colored yellow ones are Mustela nudipes leucocephalus the brown with the neck patterns are Mustela nudipes nudipes my stance on the name of these guys untill proven wrong other wise