Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 86f2a772790f1828…

MALICIOUS

Office (OLE)

124.9 KB Created: 2018-10-03 15:07:00 Authoring application: Microsoft Office Word First seen: 2018-10-09
MD5: 0a69fa0909fddd623ed83f2cef69d227 SHA-1: 2942e74e04264626421e32a0329f7c2645035647 SHA-256: 86f2a772790f18288e124f8dbbab4f6a09022ae57d826b9d7855f7d3db0a7dbf
84 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with the signature Doc.Downloader.Julm-6794628-0. A legacy WordBasic auto-exec macro marker (AutoOpen) was detected, indicating an attempt to execute code upon opening. However, the VBA macros could not be extracted due to an unsupported format, limiting further analysis of the script's specific actions.

Heuristics 4

  • ClamAV: Doc.Downloader.Julm-6794628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Julm-6794628-0
  • 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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