Office (OLE) malware analysis — malicious · 56b65cf8c7676c6d

MALICIOUS

Office (OLE)

63.9 KB Created: 2006-01-25 08:30:00 Authoring application: Microsoft Office Word

MD5: 871747b0678fa5e52b6fb66e82e856f0 SHA-1: d0f88841f3d2cd245f36531cf622b3a6796672af SHA-256: 56b65cf8c7676c6dd2b0023d7e4b4d38e5a4830a17d2c507a5e0f7b80373a048

80 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The sample is an OLE document with a significant amount of slack space, indicating potential obfuscation or embedded malicious content. A heuristic firing for CreateProcess API suggests the document attempts to launch an external process. The document body is unreadable, and no scripts were extracted, limiting further analysis. The exact nature of the executed process and its payload remains unclear.

Heuristics 2

Reference to CreateProcess API high SC_STR_CREATEPROCESS

Reference to CreateProcess API
OLE document has large unaccounted-for region high OLE_SLACK_ANOMALY

OLE file is 65,440 bytes but its declared streams total only 21,151 bytes — 44,289 bytes (68%) 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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