Security researchers at SentinelLabs recently discovered that a Chinese-speaking APT adversary has been actively operating all of its operations since 2013 and has been executing all of its attacks since that time.
The hacking group is known as the “Aoqin Dragon” is focused on cyber-espionage, and their target sectors include:-
Throughout the years, the techniques of threat actors have improved and evolved. However, some concepts and tactics remain the same.
It has been revealed that in the time since Aoqin Dragon was first spotted, there were three distinct infection chains that it implemented. The oldest and most widespread of these attacks, used between 2012 and 2015, exploited vulnerabilities in Microsoft Office files, and the flaws exploited are known:-
As a result of this attack tactic, the security firm, FireEye was able to detect a spear-phishing campaign, coordinated by the Chinese-sponsored, “Naikon Group.”
While this Chinese-sponsored threat group targeted a government agency in the Asia-Pacific region (APAC) and the US think tank in 2014.
Malware executables are masked with fake anti-virus icons to make it appear as if they were legit anti-virus products, tricking the user into running them, and then executing a malicious dropper on the target system.
The use of removable disk shortcut files has become increasingly important for Aoqin Dragon since its initial release in 2018. When clicked, it executes a DLL hijacking and loads an encrypted payload to create backdoors, which enables the backdoor to become operational.
In this particular case, the “Evernote Tray Application” is the name that the malware runs under and was executed as soon as the system got activated. Its payload is copied onto other devices on the network of the target as soon as the loader detects removable devices. As a result, they are also infected by the payload as well.
As noted earlier, the malware is displayed with the name tag of “Evernote Tray Application” and then executed when the system gets started. The loader copies the payload on removable devices in order to infect other devices through the target’s network if it detects removable devices.
To make it more difficult for the group’s data thefts and detect their identity, they use the following tools when copying files from compromised devices:-
It has been reported that the malware developers at Aoqin Dragon have revised Heyoka in a way that authorizes it to be customized to sustain the following commands that we have mentioned below:-
Cyberespionage group Aoqin Dragon has been active for nearly a decade now and has become a formidable force in global cybercrime.
In order to provide insight into the evolution of this activity cluster, SentinelLabs will continue to track it.
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