Document any communication with Command and Control (C2) servers to transmit encryption keys or receive instructions. Indicators of Compromise (IoC)
Modifications to HKEY_CLASSES_ROOT (e.g., changing .exe handlers to ensure the malware runs). Eris.rar
Recommend scanning with reputable antivirus software to eliminate the active threat. Document any communication with Command and Control (C2)
Discuss the extracted executable’s headers. High entropy often indicates packed or encrypted code used for obfuscation. Behavioral Analysis (Dynamic Analysis) Eris.rar
Briefly define Eris as a ransomware-type virus that renames files (e.g., adding .ERIS or .TABGH extensions) and creates a ransom note called @ READ ME TO RECOVER FILES @.txt .
Refer to technical threat descriptions from Microsoft Security Intelligence for specific detection names and variants. Malware Analysis Report - CISA