APT group called Donot Team (aka APT-C-35, SectorE02) has been active since at least 2012. The attackers hunt for confidential information and intellectual property. The hackers' targets include countries in South Asia, in particular, state sector of Pakistan. In 2019, we noticed their activity in Bangladesh, Thailand, India, Sri Lanka, the Philippines, and outside of Asia, in places like Argentina, the United Arab Emirates, and Great Britain.
For several months, we have been monitoring changes in the code of this group's malicious loaders. In this article, we will review one of the attack vectors, will talk about the loaders in more detail, and will touch upon the peculiarity of the network infrastructure.