Malicious Office (OOXML) / .DOC — malware analysis report

Static analysis result for SHA-256 9f09c298cff3533e…

MALICIOUS

Office (OOXML) / .DOC

90.3 KB Created: 2025-02-11 05:56:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 19d5c0505d452d38fb57e09526249134 SHA-1: bee65b5b3d107c66bc41ee5480ac1b5c33724cd2 SHA-256: 9f09c298cff3533e4a087e5155cccf53e451f975dda05bc135c989225433e760
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file exhibits characteristics of a malicious OOXML document, specifically triggering heuristics for remote template injection and external relationships. The presence of the URL https://linkrjb.me/Y2byjV, associated with these heuristics, strongly suggests an attempt to load external malicious content. This indicates a likely attack pattern involving social engineering to trick the user into opening a document that then fetches and executes further malicious code.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://linkrjb.me/Y2byjV) — 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: https://linkrjb.me/Y2byjV
  • 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.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.openxmlformats.org/markup-com

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
emf_00.emf
f375ef837181f05750b2046b9a81447ab22709d97d262b6b61753c013694ddeb		 ooxml-emf OOXML EMF part: word/media/image2.emf 76824 bytes
emf_01.emf
9923cb4bf7a5fbb9c22512a2431582df95a92f67868ff26cbc80bfecbb667db7		 ooxml-emf OOXML EMF part: word/media/image1.emf 250880 bytes

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