Reflective in-memory PE mapping indicative of SparroWocky loader

Ibrahim Saud@tektrix

•updated Sep 17, 2026•0•0•2

Detects the allocation of executable memory regions (RWX or EXECUTE_READ) that are not backed by a file on disk (i.e., anonymous memory). This behavior is a common indicator of process injection, shellcode execution, or fileless malware techniques where code is injected into a process and executed directly from memory without a corresponding file on disk.