WannaCry Malware Analysis

In business scenarios today, the most precious asset is computer systems and the data which is stored in them. Attackers are well aware of this fact and that is the reason why they can easily make money by holding this data at ransom. This is the reason why ransomware form of malware is on constant rise and is threatening businesses. WannaCry is one such ransomware which recently caused great havoc in many countries, affecting public amenities like health, in addition to causing huge monetary losses and losses to data. In this paper we will analyze wannacry in detail to understand its architecture, working, damages it caused and how the kill-switch worked to stop the damages for some time. We will also understand the various precautions to be taken to be protected from such ransomware in the future.