![]() In both Android and iOS attacks, attackers may have simply tricked targets into downloading what appeared to be a messaging app by distributing a malicious link for victims to click. It is unclear if the NoxPlayer compromise is the work of a state-sponsored group or a financially-motivated group looking to compromise game developers.ĮSET did, however, point out that the three malware strains deployed via malicious NoxPlayer updates had "similarities" with other malware strains used in a Myanmar presidential office website supply-chain compromise in 2018 and in early 2020 in an intrusion into a Hong Kong university.But in some particularly dramatic cases of iOS targeting, Google found that attackers may have been working with local ISPs to cut off a specific user's mobile data connection, send them a malicious download link over SMS, and convince them to install the fake My Vodafone app over Wi-Fi with the promise that this would restore their cell service.Īttackers were able to distribute the malicious app because RCS Labs had registered with Apple's Enterprise Developer Program, apparently through a shell company called 3-1 Mobile SRL, to obtain a certificate that allows them to sideload apps without going through Apple's typical AppStore review process. The second is the case of the VGCA, the official certificate authority of the Vietnamese government.ĮSET researchers did not formally link this incident to a well-known hacking group. The first is the case of Able Desktop, software used by many Mongolian government agencies. This incident is also the third supply chain attack discovered by ESET over the past two months. Until today, and based on its own telemetry, ESET said it spotted malware-laced NoxPlayer updates being delivered to only five victims, located in Taiwan, Hong Kong, and Sri Lanka.ĮSET has released today a report with technical details for NoxPlayers to determine if they received a malware-laced update and how to remove the malware.Ī BigNox spokesperson did not return a request for comment. "Three different malware families were spotted being distributed from tailored malicious updates toselected victims, with no sign of leveraging any financial gain, but rather surveillance-related capabilities," ESET said in a report shared today with ZDNet.ĭespite evidence implying that attackers had access to BigNox servers since at least September 2020, ESET said the threat actor didn't target all of the company's users but instead focused on specific machines, suggesting this was a highly-targeted attack looking to infect only a certain class of users. Using this access, hackers tampered with the download URL of NoxPlayer updates in the API server in order to deliver malware to NoxPlayer users. The attack was discovered by Slovak security firm ESET on January 25, last week, and targeted BigNox, a company that makes NoxPlayer, a software client for emulating Android apps on Windows or macOS desktops.ĮSET says that based on evidence its researchers gathered, a threat actor compromised one of the company's official API () and file-hosting servers (). Only five detected until now, in countries such as Taiwan, Hong Kong, and Sri Lanka.īy Catalin Cimpanu for Zero Day | Febru- 10:30 GMT (10:30 GMT) | Topic: SecurityĪ mysterious hacking group has compromised the server infrastructure of a popular Android emulator and has delivered malware to a handful of victims across Asia in a highly-targeted supply chain attack. Attackers targeted only a handful of victims.
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