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

Static analysis result for SHA-256 6180214e6bac17bd…

MALICIOUS

Office (OOXML) / .DOC

1.89 MB Created: 2023-10-10 00:46:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2023-10-10
MD5: 8417c579dc41ca5bf7e917121a3b3e49 SHA-1: 5caec24751932b1152125e2b405364b7a2762291 SHA-256: 6180214e6bac17bdaa2b0a17490cc17a13ad2cf0aed7061910e6e58552afc0db
122 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking T1204.002 Malicious File

The sample is a malicious Office document containing an embedded OLE object. Heuristics indicate this object is likely an executable payload, exploiting CVE-2026-21514. The embedded OLE object is the primary indicator of compromise, suggesting the document's purpose is to drop and execute a secondary malicious file.

Heuristics 4

  • OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514
    Office document contains embedded OLE (word/embeddings/oleObject1.bin) with Ole10Native plus executable, PE, or risky remote-link indicators. This is a likely CVE-2026-21514 exploitation shape.
  • Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILE
    OLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • 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.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.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.microsoft.com/office/2019/extlst
    • 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/2018/wordml/cex
    • http://schemas.microsoft.com/office/word/2016/wordml/cid
    • http://schemas.microsoft.com/office/word/2018/wordml
    • http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash
    • 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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
2dbe39c685a9b479620113187a3e74146068bdeeb58d917b7af1f1c1beaf2a19		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/oleObject1.bin 4584960 bytes
ooxml_oleobject_00_ole10native_00.bin
7826ca938f097d45dd328dd6c6ef85a2766e348d35f9cff47dedd8e5690d5050		 ole-package OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native 4547014 bytes
emf_00.emf
af2777323520bc44447af0e66e48e43cd8955bec08586b763bd590b27ee1ba7d		 ooxml-emf OOXML EMF part: word/media/image1.emf 5468 bytes

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