Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 c34f7ec5bbdc3a40…

MALICIOUS

Office (OOXML)

13.1 KB Created: 2021-07-21 16:37:00 UTC Authoring application: Microsoft Office Word 15.0000
MD5: 7c220b8dab7b2d95b01088959156a2ab SHA-1: fd1302a5d4a7158a20d75bf0bc6a6b0c9ab1cda6 SHA-256: c34f7ec5bbdc3a40d709da0f65c488a355ed1dc3b34d690f44ce827f3796c500
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The OOXML document contains heuristics indicating a remote template injection and an external relationship pointing to 'http://94.228.124.131/BOOK/registered/registered.dot'. This suggests the document is designed to trick the user into downloading a malicious template from this URL, likely as part of a spearphishing campaign. No scripts were extracted, but the presence of the external relationship is a strong indicator of malicious intent.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://94.228.124.131/BOOK/registered/registered.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://94.228.124.131/BOOK/registered/registered.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://94.228.124.131/BOOK/registered/registered.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • 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/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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