Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 bea9ed64ff8d6836…

MALICIOUS

Office (OLE)

132.2 KB Created: 2018-10-03 23:21:00 Authoring application: Microsoft Office Word First seen: 2019-11-20
MD5: ebb629d3f0df474f778413535f981773 SHA-1: edfd4f43d8583e4b2530469a22b4e8e51b3e3213 SHA-256: bea9ed64ff8d68362385a99aa6c98c08507f859ca53226553a37583c212b8b4c
104 Risk Score

Malware Insights

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

The file is an OLE document that triggered a critical ClamAV detection. A heuristic indicates that VBA p-code auto-execution is present, specifically using the 'Shell' execution token within the 'Document_Open' auto-exec. This suggests the document is designed to run a malicious payload upon opening, likely leveraging the VBA macro capabilities.

Heuristics 4

  • ClamAV: Doc.Malware.00536d-6706733-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.00536d-6706733-0
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • 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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