MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The sample exhibits a large slack space anomaly, indicative of obfuscation or embedded malicious content. Heuristics indicate the use of VirtualProtect, LoadLibrary, and GetProcAddress APIs, commonly employed by malware to load and execute payloads. The presence of these APIs suggests an attempt to execute arbitrary code, likely through a vulnerability within the Office document itself.
Heuristics 4
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Reference to LoadLibrary API high SC_STR_LOADLIBRARYReference to LoadLibrary API
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Reference to GetProcAddress API high SC_STR_GETPROCADDRESSReference to GetProcAddress API
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 55,360 bytes but its declared streams total only 8,934 bytes — 46,426 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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Reference to VirtualProtect API medium SC_STR_VIRTUALPROTECTReference to VirtualProtect API
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