Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 49302b658b604feb…

MALICIOUS

Office (OLE)

129.6 KB Created: 2018-10-03 10:13:00 Authoring application: Microsoft Office Word First seen: 2019-03-10
MD5: b9c4b247d669a9512186fefe2b642ccb SHA-1: 1a8a72db7de6cc29a80cf4715b559fdcdeff9773 SHA-256: 49302b658b604febda0f8cd47ba0c4adf80b31af59190ee2559b2a5f49a70142
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is identified as malicious by ClamAV and contains a legacy WordBasic AutoOpen macro marker, indicating an attempt to execute code upon opening. Although VBA extraction failed, the presence of the AutoOpen marker strongly suggests a macro-based attack. The embedded URL is benign and likely a false positive.

Heuristics 4

  • ClamAV: Doc.Malware.00536d-6705831-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.00536d-6705831-0
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
  • Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED
    olevba could not extract VBA macros (AssertionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)

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