$ file suspicious.exe
suspicious.exe: PE32+ executable (GUI) x86-64, for MS Windows — UPX packed
$ strings suspicious.exe | grep -iE "http|cmd|powershell|reg"
http://185.220.101[.]47/payload.bin
cmd.exe /c powershell -enc <base64>
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
$ capa suspicious.exe --format json | python3 -m json.tool
CAPABILITY: encrypt data using AES via WinAPI · inject shellcode via process hollowing
CAPABILITY: establish persistence via Registry run key · exfiltrate data via HTTP
$ yara -r ./rules/apt_dcrat.yar suspicious.exe
[MATCH] DCRat_v4_loader suspicious.exe — confidence: HIGH
$ _