Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 a8ac95c911d66a78…

MALICIOUS

Office (OOXML)

111.4 KB Created: 2021-07-07 13:42:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 25a27af3a80c1bbf81faa3a0022e4e6f SHA-1: 4da9be40c9d592f36ba1431bfb0dd18c92c272b9 SHA-256: a8ac95c911d66a78f00d46415b369cbc9ae41067655d8244c87eeb2c71349fbd
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document contains external hyperlinks and a remote template reference, indicating an attempt to pull content from external sources. Specifically, it references a remote template at 'http://mytoolbox.bep.be/Certifications/Environnement/Forms/Procédure/ISO3.dot', which is highly suspicious. The external hyperlink to a SharePoint site likely serves as a lure to encourage the user to interact with the document and potentially trigger the template download.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://mytoolbox.bep.be/Certifications/Environnement/Forms/Procédure/ISO3.dot) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: http://mytoolbox.bep.be/Certifications/Environnement/Forms/Procédure/ISO3.dot
  • External hyperlinks (4) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 4 external hyperlinks — clickable URLs are stored as external relationships. First target: https://bepnamur.sharepoint.com/sites/Projets/Lists/Suivi des projets stratgiques/Thmatique et domaine daction.aspx?FilterField1=Th_x00e9_matique&FilterValue1=B
  • 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://mtb.bep.be/Certifications/Environnement/Forms/AllItems.aspx
    • http://mytoolbox.bep.be/Certifications/Environnement/Forms/Procédure/ISO3.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2018/wordml/cex
    • http://schemas.microsoft.com/office/word/2016/wordml/cid
    • http://schemas.microsoft.com/office/word/2018/wordml
    • http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash
    • http://schemas.microsoft.com/office/word/2015/wordml/symex
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape
    • https://bepnamur.sharepoint.com/sites/Projets/Lists/Suivi%20des%20projets%20stratgiques/Thmatique%20et%20domaine%20daction.aspx?FilterField1=Th%5Fx00e9%5Fmatique&FilterValue1=BEP%20Environnement&FilterType1=Lookup&viewid=4cba3a5f%2Dda21%2D4875%2Daa62%2Dcc99db01e5e6
    • http://ns.adobe.com/xap/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/iX/1.0/
    • http://ns.adobe.com/exif/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/tiff/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://purl.org/dc/elements/1.1/
    • http://www.iec.ch
    • https://bepnamur.sharepoint.com/sites/Projets/Lists/Suivi

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