MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1027 Obfuscated Files or Information
The sample exhibits a critical heuristic for XOR-encoded strings, suggesting an attempt to obfuscate malicious content. Additionally, a significant portion of the OLE document's space is unaccounted for, which can be used to hide embedded objects or code. Without further script or body content, the exact malicious intent cannot be determined, but the obfuscation techniques point towards a downloader or dropper.
Heuristics 2
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XOR-encoded strings (key 0x63) critical SC_XOR_ENCODEDFound 4 Windows library/API name(s) XOR-encoded with single-byte key 0x63: 'LoadLibraryA', 'CreateProcessA', 'ExitProcess ', 'CreateFileA '
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 160,256 bytes but its declared streams total only 20,635 bytes — 139,621 bytes (87%) live in unallocated sector slack. This is the canonical hiding place for pre-macro-era Office exploit payloads (XOR-encoded shellcode reached via a parser pointer-corruption bug in the document structure).
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