This figure is tentatively identified as Kurukulla.
"Kurukulla, [with] a body white/red in colour, [having] one face and four hands. The first two [hands] hold an utpala bow and arrow, drawn near to the ear. The lower right is in the gesture of bestowing fearlessness. The lower left holds a hook. Adorned with jewel ornaments and wearing upper and lower garments of red silk. Seated in the vajrasana [posture] above the Small Desire Realm gods and goddesses." (One Hundred Methods of Accomplishment).
Jeff Watt 1-2012