Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 8447bd88d93d9c9d…

MALICIOUS

Office (OLE)

115.6 KB Created: 2018-10-03 10:50:00 Authoring application: Microsoft Office Word First seen: 2018-10-13
MD5: 2ca2921a210920f88316b9fd36acf9b7 SHA-1: 4a2b6f11df9deda641e6c500d184de60b21000f7 SHA-256: 8447bd88d93d9c9da79c86ce67913ffb627c6e6f770c8acd3ac9a06a3b2bcd7c
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a critical heuristic firing for Doc.Malware.00536d-6705955-0. A legacy WordBasic auto-exec macro marker (AutoOpen) was detected, suggesting an attempt to automatically execute code upon opening. Although VBA extraction failed, the presence of an embedded URL and the overall malicious verdict indicate a likely phishing attempt via attachment.

Heuristics 4

  • ClamAV: Doc.Malware.00536d-6705955-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.00536d-6705955-0
  • 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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