Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 72157de95f326e1c…

MALICIOUS

Office (OLE) / .DOC

109.0 KB Created: 2008-07-11 06:57:00 Authoring application: Microsoft Office Word
MD5: e56b47fae0b4dd32ad18700d7e01cfbe SHA-1: b6e790385337bdb6944bf2f5e09c9a91d9d9ff02 SHA-256: 72157de95f326e1c4dba1bb50ef8076552bf5af8e2e94db53e53e8dc45274491
80 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The OLE document exhibits characteristics of a dropper, specifically a large slack region and an appended executable payload. The presence of these indicators strongly suggests the file is designed to deliver a secondary malicious component. No document body text or scripts were extracted to provide further context on the specific lure or payload.

Heuristics 2

  • OLE document has large unaccounted-for region high OLE_SLACK_ANOMALY
    OLE file is 111,616 bytes but its declared streams total only 16,543 bytes — 95,073 bytes (85%) 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).
  • OLE file has appended executable-looking payload bytes high OLE_APPENDED_PAYLOAD
    OLE compound file contains a large high-entropy region beyond the declared major streams and that region includes shellcode, PE, or loader API markers. This is a payload-carrier signal, not a specific CVE attribution by itself.