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

Static analysis result for SHA-256 d694bb92b2b7f285…

MALICIOUS

Office (OOXML) / .DOC

312.9 KB Created: 2025-10-21 12:50:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 31b0691f40d5c1b81e2720bf4cba77e7 SHA-1: af23dcb033a7613570b669fd921d1acb5e72db5d SHA-256: d694bb92b2b7f2855361317b16a7229bd25460b748044d8fa13c2f5f5ee173dc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits characteristics of a malicious OOXML document, specifically triggering high-severity heuristics for remote template injection and external relationships. The presence of an embedded OLE object further suggests an attempt to deliver a secondary payload. The heuristic firings indicate that the document likely attempts to download and execute a malicious payload from the external URL provided.

Heuristics 5

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://u.els.re/uFyBH) — 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://u.els.re/uFyBH
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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-compatibili

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
8c2305825a9c718e9f1a2ae13e9bdb28c0f7e5fdfbe6f897ebf490bfc078af79		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/oleObject1.bin 216576 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.92, consistent with packed or encrypted content.
emf_00.emf
14a270fc8cd95d39da9ca97f8190b16f432dc353dc55d29829c537e1d56f65b0		 ooxml-emf OOXML EMF part: word/media/image1.emf 1504468 bytes

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