Chinese threat actors strike again
Users of a Tibetan language translation app and website visitors to a Buddhist festival were compromised by a focused watering-hole malware connected to a Chinese threat group.
According to recent data from ESET, the so-called Evasive Panda hacking team’s cyber-operations campaign started in September 2023 or earlier and impacted systems in Taiwan, Hong Kong, Taiwan, Australia, and the United States.
During the campaign, the attackers gained access to the websites of three different businesses: a development company that provides translations into Tibetan; an organization based in India that promotes Tibetan Buddhism; and the news website Tibetpost, which unintentionally contained dangerous applications. Specific global geographic visitors to the sites were infected with droppers and backdoors, which included Nightdoor, a relatively new backdoor application, and the group’s favourite MgBot.
Adversary in the middle attacks
According to ESET researcher Anh Ho, who uncovered the attack, the organization used an astonishing range of attack vectors in the campaign, including phishing emails, watering holes, and adversary-in-the-middle (AitM) attacks via software updates that took advantage of development servers.
“The fact that they orchestrate both a supply chain and watering-hole attack within the same campaign showcases the resources they have,” according to him. “Nightdoor is quite complex, which is technically significant, but in my opinion, Evasive Panda’s [most significant] attribute is the variety of the attack vectors they have been able to perform.”
A relatively small unit called Evasive Panda is usually assigned to surveillance missions in Asia and Africa, mostly targeting individuals and organizations. As reported by SentinelOne, the organization is linked to attacks on telecom companies in 2023 under the code name Operation Tainted Love. According to Microsoft, it is also related to the attribution group Granite Typhoon, née Gallium. Symantec refers to it as Daggerfly as well, and Google Mandiant reports that it shares similarities with a group of cybercriminals and spies known as
Supply chain and watering holes compromises
The group, which has been active since 2012, is well-known for its supply chain attacks and for using stolen code-signing credentials and program upgrades in 2023 to infect users’ PCs in China and Africa.
The organization commandeered a website for the Tibetan Buddhist Monlam festival in this most recent campaign, according to ESET’s published analysis, to provide a backdoor or downloader tool that downloaded malicious payloads from a compromised Tibetan news site.
The hackers utilized Trojanized programs to infect Mac OS and Windows machines and also compromised a vendor of Tibetan translation software to further target consumers.
Cyber espionage links
Evasive Panda has created MgBot, a proprietary malware framework with a modular architecture that can download other components, run code, and steal data. MgBot modules can download further capabilities and spy on victims who have been hacked, among other things.
Using the MgBot downloader to deliver final payloads, Evasive Panda targeted users in India and Hong Kong in 2020, according to Malwarebytes, which connected the organization to earlier assaults in 2014 and 2018.
The organization released Nightdoor in 2020 as a backdoor that can be used to issue commands, upload data, and build a reverse shell by communicating with a command-and-control server.
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