Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 679430273b6bceb5…

MALICIOUS

Office (OOXML)

10.4 KB Created: 2021-07-20 13:11:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 6f5369ab516179f224f5d44bba3d6bfc SHA-1: 9326916bd5ec13de37a4f4b23a8c4b7868328bf1 SHA-256: 679430273b6bceb520dc4e549050edc9c29c9d72c7f04e01f22927c5dd96bcb3
62 Risk Score

Malware Insights

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

The file is a malicious OOXML document that uses remote template injection. This technique suggests an attempt to load external content, likely for malicious purposes such as downloading a secondary payload or establishing a connection. The presence of remote template and external relationship heuristics strongly indicates this malicious intent.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://intranet.sdis72.loc/CharteSDO/Forms/MODELE NOTE DE SERVICE - SDO/MODELE NOTE DE SERVICE1.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://intranet.sdis72.loc/CharteSDO/Forms/MODELE NOTE DE SERVICE - SDO/MODELE NOTE DE SERVICE1.dot
  • 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://intranet.sdis72.loc/CharteSDO/Forms/MODELE
    • 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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