Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 126568b102a386f9…

MALICIOUS

Office (OOXML)

53.1 KB Created: 2017-01-06 19:41:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: e8aa82abeddbf6ddbd3122a38d7dde51 SHA-1: 4150e8e505a836ad23476caba7c63068f0d4c50f SHA-256: 126568b102a386f979ce875808b5e0528e62a329d93ce1b0c5d1aeca76554d79
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is an OOXML document that contains external hyperlinks and a remote template injection. The document body presents itself as a financial regulation, likely to trick the user into trusting the content and potentially downloading the remote template. The presence of external links and a remote template suggests an attempt to download and execute a secondary payload.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://fcahome/readingrm/handbook/FCA Regulation/Forms/template.dotx) — 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://fcahome/readingrm/handbook/FCA Regulation/Forms/template.dotx
  • External hyperlinks (26) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 26 external hyperlinks — clickable URLs are stored as external relationships. First target: http://ww3.fca.gov/readingrm/handbook/FCA Regulation/628.44.docx
  • 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://ww3.fca.gov/readingrm/handbook/FCA
    • http://fcahome/readingrm/handbook/FCA
    • 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.openxmlformats.org/markup-compatibility/2006
    • 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/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

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