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

Static analysis result for SHA-256 2a988f6a3c40c1f9…

MALICIOUS

Office (OOXML) / .DOC

90.3 KB Created: 2025-02-11 05:56:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 5bb0748e984e42985549c56b9682c320 SHA-1: 8cf7e8db51bee240b2807f84d31adf390d3c8b6d SHA-256: 2a988f6a3c40c1f991cc6aae354ed27fad6c39c416b1dce03732114a98759c3c
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1059 Command and Scripting Interpreter

The sample is a malicious OOXML document that uses a remote template injection technique. This is evidenced by the OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics firing, pointing to the URL https://al4.dev/Fy4BCy. This suggests the document is designed to download and execute a secondary payload from this external resource.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://al4.dev/Fy4BCy) — 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://al4.dev/Fy4BCy
  • 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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