MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1027 Obfuscated Files or Information
The sample exhibits characteristics of a malicious document, specifically the presence of XOR-encoded strings and a significant amount of slack space within the OLE structure. These anomalies indicate an attempt to hide or obfuscate malicious code or data within the file. No specific malware family could be identified, and no executable content or network indicators were directly extracted.
Heuristics 2
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XOR-encoded strings (key 0x6D) critical SC_XOR_ENCODEDFound 4 Windows library/API name(s) XOR-encoded with single-byte key 0x6D: 'LoadLibraryA', 'CreateProcessA', 'ExitProcess ', 'CreateFileA '
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 102,400 bytes but its declared streams total only 20,639 bytes — 81,761 bytes (80%) 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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