Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e7fe388465f17ad1…

MALICIOUS

Office (OLE)

123.1 KB Created: 2018-10-03 15:07:00 Authoring application: Microsoft Office Word First seen: 2018-11-20
MD5: 1168c83619470587be43757fa2e053ff SHA-1: 235188a3c16ce3a1920c7abe18a935f08836631c SHA-256: e7fe388465f17ad177483ee3779cf81531cdb15ba6287d14f6b1aad39d5be25b
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
    The Analyzer could not extract VBA macros: the document may be legacy, encrypted or malformed.
  • 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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