render: display number feature as hex vverbose (#1097)

CHANGELOG.md

@@ -63,6 +63,7 @@ Deprecation notice: as described in [#937](https://github.com/mandiant/capa/issu
 ### Bug Fixes
 - improve handling _ prefix compile/link artifact #924 @mike-hunhoff
 - better detect OS in ELF samples #988 @williballenthin
+- display number feature zero in vverbose #1097 @mike-hunhoff
 
 ### capa explorer IDA Pro plugin
 - improve file format extraction #918 @mike-hunhoff

capa/render/vverbose.py

@@ -142,6 +142,10 @@ def render_feature(ostream, match: rd.Match, feature: frzf.Feature, indent=0):
         if key == "string":
             value = render_string_value(value)
 
+        if key == "number":
+            assert isinstance(value, int)
+            value = hex(value)
+
         ostream.write(key)
         ostream.write(": ")