PatchWork, (also known as Mahabusa, White Elephant, hangOver, VICEROY TIGER, and The Dropping Elephant) is an APT that mainly conducts cyber-espionage activities against Asian countries such as China and Pakistan. This attack used new and targeted techniques to deliver spear mail. Finally, the commercial Bozok remote control Trojan was loaded through the fileless loading technology to monitor the theft. Bozok RAT is a lightweight but feature-rich remote control Trojan. The client supports multiple regional languages. This Trojan has been used by many APT organizations in targeted attacks against finance and government in history. It is worth noting that in the disclosed historical attack activity of the Indian background APT organization, this attack activity is the first time they have used the Bozok Trojan.