Technical Advisory – Multiple Vulnerabilities in the Galaxy App Store (CVE-2023-21433, CVE-2023-21434)
The Galaxy App Store is an alternative application store that comes pre-installed on Samsung Android devices. Several Android applications are available on both the Galaxy App Store and Google App Store, and users have the option to use either store to install specific applications. Two vulnerabilities were uncovered with the Galaxy App Store application: Technical…
ESET researchers uncover an active StrongPity campaign that spreads a trojanized version of the Android Telegram app posing as the Shagle video chat app.
Zimperium zLabs has discovered a new Android threat campaign, the Schoolyard Bully Trojan, which has been active since 2018 and has spread to over 300,000 victims and is specifically targeting Facebook credentials. To learn more about this new threat, read more on our blog.
Google Online Security Blog: Memory Safe Languages in Android 13
As the amount of new memory-unsafe code entering Android has decreased, so too has the number of memory safety vulnerabilities. From 2019 to 2022 it has dropped from 76% down to 35% of Android’s total vulnerabilities. 2022 is the first year where memory safety vulnerabilities do not represent a majority of Android’s vulnerabilities.
Flubot: the evolution of a notorious Android Banking Malware
Flubot is an Android based malware that has been distributed in the past 1.5 years in Europe, Asia and Oceania affecting thousands of devices of mostly unsuspecting victims. Like the majority of Android banking malware, Flubot abuses Accessibility Permissions and Services in order to steal the victim’s credentials, by detecting when the official banking application is open to show a fake web injection, a phishing website similar to the login form of the banking application. An important part of the popularity of Flubot is due to the distribution strategy used in its campaigns, since it has been using the infected devices to send text messages, luring new victims into installing the malware from a fake website. In this article we detail its development over time and recent developments regarding its disappearance, including new features and distribution campaigns.
FluBot is a new Android malware first discovered in December 2020. During the first few months, FluBot has been active in Spain, Hungary and Poland. Since then, the development of the malware advan…
Takedown of SMS-based FluBot spyware infecting Android phones
This technical achievement follows a complex investigation involving law enforcement authorities of Australia, Belgium, Finland, Hungary, Ireland, Spain, Sweden, Switzerland, the Netherlands and the United States, with the coordination of international activity carried out by Europol’s European Cybercrime Centre (EC3). The investigation is ongoing to identify the individuals behind this global malware campaign. Here is how FluBot worked First spotted...
To protect our users, Google’s Threat Analysis Group (TAG) routinely hunts for 0-day vulnerabilities exploited in-the-wild. In 2021, we reported nine 0-days affecting Chrome, Android, Apple and Microsoft, leading to patches to protect users from these attacks.
Complete dissection of an APK with a suspicious C2 Server
During our analysis of the Penquin-related infrastructure we reported in our previous post, we paid special attention to the malicious binaries contacting these IP addresses, since as we showed in the analysis, they had been used as C2 of other threats used by Turla.
Flubot: the evolution of a notorious Android Banking Malware
Flubot is an Android based malware that has been distributed in the past 1.5 years in Europe, Asia and Oceania affecting thousands of devices of mostly unsuspecting victims. Like the majority of Android banking malware, Flubot abuses Accessibility Permissions and Services in order to steal the victim’s credentials, by detecting when the official banking application is open to show a fake web injection, a phishing website similar to the login form of the banking application. An important part of the popularity of Flubot is due to the distribution strategy used in its campaigns, since it has been using the infected devices to send text messages, luring new victims into installing the malware from a fake website. In this article we detail its development over time and recent developments regarding its disappearance, including new features and distribution campaigns.
FluBot is a new Android malware first discovered in December 2020. During the first few months, FluBot has been active in Spain, Hungary and Poland. Since then, the development of the malware advan…
Takedown of SMS-based FluBot spyware infecting Android phones
This technical achievement follows a complex investigation involving law enforcement authorities of Australia, Belgium, Finland, Hungary, Ireland, Spain, Sweden, Switzerland, the Netherlands and the United States, with the coordination of international activity carried out by Europol’s European Cybercrime Centre (EC3). The investigation is ongoing to identify the individuals behind this global malware campaign. Here is how FluBot worked First spotted...
To protect our users, Google’s Threat Analysis Group (TAG) routinely hunts for 0-day vulnerabilities exploited in-the-wild. In 2021, we reported nine 0-days affecting Chrome, Android, Apple and Microsoft, leading to patches to protect users from these attacks.
Complete dissection of an APK with a suspicious C2 Server
During our analysis of the Penquin-related infrastructure we reported in our previous post, we paid special attention to the malicious binaries contacting these IP addresses, since as we showed in the analysis, they had been used as C2 of other threats used by Turla.