IBM X-Force has published a technical report on SnakeDisk, a USB worm linked to Hive0154, a Chinese cyber-espionage group also known as Mustang Panda

Hive0154, aka Mustang Panda, drops updated Toneshell backdoor and novel SnakeDisk USB worm | IBM
Hive0154 wreaks havoc on Singapore and Thailand using a new Toneshell backdoor and SnakeDisk USB worm.
(www.ibm.com)