A new campaign targeting Spain and Latin American countries, utilizing the Brazilian stealer Grandoreiro, was detected during March 2025. This report provides detailed insights into the malware’s behavior, along with an explanation of the string obfuscation and decryption techniques employed in this campaign. Grandoreiro Grandoreiro is a Brazilian-origin stealer malware that has been active since […]
stealer
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. One threat that makes contact with the 82.146.35[.]240 address in particular […]