APT29 Deploys GRAPELOADER Malware Targeting European Diplomats Through Wine-Tasting Lures
Apr 20, 2025
Cyber Espionage / Malware
The Russian state-sponsored threat actor known as APT29 has been linked to an advanced phishing campaign that's targeting diplomatic entities across Europe with a new variant of WINELOADER and a previously unreported malware loader codenamed GRAPELOADER. "While the improved WINELOADER variant is still a modular backdoor used in later stages, GRAPELOADER is a newly observed initial-stage tool used for fingerprinting, persistence, and payload delivery," Check Point said in a technical analysis published earlier this week. "Despite differing roles, both share similarities in code structure, obfuscation, and string decryption. GRAPELOADER refines WINELOADER's anti-analysis techniques while introducing more advanced stealth methods." The use of WINELOADER was first documented by Zscaler ThreatLabz in February 2024, with the attacks leveraging wine-tasting lures to infect diplomatic staff systems. While the campaign was first attributed to a threat activity...
