Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 7f4086fc5b35c92b…

MALICIOUS

Office (OOXML)

275.8 KB Created: 2013-05-20 17:24:00 UTC Authoring application: Microsoft Office Word 14.0000 First seen: 2017-11-13
MD5: 559a435e9562056da2a606596cef8516 SHA-1: 158c5e36e2a03538898679042e9400100babc2b7 SHA-256: 7f4086fc5b35c92b8cf43c0be0cea6316b417e0e34d26701d2962a956cf40b00
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is an OOXML document that contains external hyperlinks and was detected by ClamAV as Unix.Trojan.PhpBackdoor-9354530-2. The document body lists technical topics related to machinery and safety, suggesting a lure to disguise the malicious intent. The presence of external hyperlinks and the ClamAV detection strongly indicate a malicious payload delivery.

Heuristics 3

  • ClamAV: Unix.Trojan.PhpBackdoor-9354530-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Unix.Trojan.PhpBackdoor-9354530-2
  • External hyperlinks (23) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 23 external hyperlinks — clickable URLs are stored as external relationships. First target: http://pl.wikipedia.org/wiki/Cięgnik
  • 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.microsoft.com/office/word/2010/wordprocessingCanvas In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)
    • http://www.iec.chIn document text (OOXML body / shared strings)
    • http://pl.wikipedia.org/wiki/CięgnikDocument hyperlink

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