2745tuna.rar May 2026

The file is a malicious archive used in cyberattacks, specifically linked to Gamaredon Group (also known as Primitive Bear or APT28-adjacent), a state-sponsored threat actor focused on espionage against Ukrainian targets .

: Often associated with Pterodo (Pteranodon) or custom .NET backdoors. 🛠️ Detection and Analysis 2745tuna.rar

: The .rar often contains a malicious LNK (shortcut) file or a disguised executable. The file is a malicious archive used in

Block known (Indicators of Compromise) at the firewall level. Block known (Indicators of Compromise) at the firewall level

: Once opened, it drops a script (VBScript or PowerShell) that ensures the malware survives a system reboot.

: Predominantly public sector and defense organizations in Ukraine .

: To see a live recording of how the file behaves in a sandbox environment. ⚠️ Recommendations Do not extract the archive on a primary workstation. Use a segmented virtual machine (VM) for analysis.