MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1027 Obfuscated Files or Information
The sample is a malicious OLE document exhibiting significant slack space, a common evasion technique. The SC_XOR_ENCODED heuristic indicates that strings within the document are obfuscated using XOR with a key of 0xFC. While no specific payload or delivery mechanism is directly evident from the limited DOC BODY, these indicators strongly suggest a malicious intent, likely to conceal malicious code or commands.
Heuristics 2
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XOR-encoded strings (key 0xFC) critical SC_XOR_ENCODEDFound 3 Windows library/API name(s) XOR-encoded with single-byte key 0xFC: 'LoadLibraryA', 'GetProcAddress', 'RegOpenKeyExA'
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 105,984 bytes but its declared streams total only 16,486 bytes — 89,498 bytes (84%) 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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