Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 09dcbb9959bf1a4a…

MALICIOUS

Office (OLE)

288.0 KB Created: 2012-05-31 08:51:00 Authoring application: Microsoft Office Word First seen: 2014-02-16
MD5: 338d0b855421867732e05399a2d56670 SHA-1: be588d5c0d32bbf75421f3decefd69474b075ac9 SHA-256: 09dcbb9959bf1a4a76a9fbb2f08cb838929e2d7378ea129ab6ad6540cf0c1a1a
120 Risk Score

Heuristics 3

  • MSCOMCTL.ListView — CVE-2012-0158 high CVE likely CVE_2012_0158
    MSCOMCTL.ListView — CVE-2012-0158
  • OLE document has large unaccounted-for region high OLE_SLACK_ANOMALY
    OLE file is 294,912 bytes but its declared streams total only 46,065 bytes — 248,847 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).
  • 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.

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