.NET Reactor proctector

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Checks BIOS information in registry

BIOS information is often read in order to detect sandboxing environments.

Checks computer location settings

Looks up country code configured in the registry, likely geofence.

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

Windows security modification

Accesses 2FA software files, possible credential harvesting

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Checks whether UAC is enabled

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext