AN0712
Analytic 0712
Windows
Detects extraction or mounting of container/archive files (e.g., .iso, .vhd, .zip) that originated from the Internet but whose contained files lack Zone.Identifier MOTW tagging. Correlates file creation metadata with subsequent execution of unsigned or untrusted binaries launched outside SmartScreen or Protected View.
WinEventLog:Security
EventCode=4663, 4670, 4656
WinEventLog:Sysmon
EventCode=11
WinEventLog:Sysmon
EventCode=15
[WatchedExtensions]
Adjust monitored file types (e.g., .iso, .vhd, .zip, .gz, .rar) based on enterprise usage
[TimeWindow]
Defines correlation window between extraction/mount and first execution of inner files
[TrustedExtractionTools]
Whitelist known enterprise archivers and deployment mechanisms to reduce false positives