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

Static analysis result for SHA-256 70239684f01e3769…

MALICIOUS

Office (OOXML) / .DOC

623.6 KB Created: 2025-11-07 08:28:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: d6e7a65a344935376eb8aadc3a294deb SHA-1: e31091cb9d9e52aa2be5ef1aea8f141f604d68cc SHA-256: 70239684f01e37692087c05f6f355daae3bdcdbc4bfa2fcb786dbf8ddf1d2966
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file exhibits high-confidence heuristics for remote template injection and external relationships, both pointing to the URL https://kutt.chatforma.com/mokHvH. This suggests the document is designed to lure the user into downloading and executing a secondary payload from this external source. The presence of embedded OLE objects further supports the likelihood of malicious content being delivered.

Heuristics 5

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://kutt.chatforma.com/mokHvH) — 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://kutt.chatforma.com/mokHvH
  • 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 https://kutt.chatforma.com/mokHvH
    • 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://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/g/img/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
220e1660e0fa5fea50b4faa6ad7c1233de3d7d987fa3478f0b87873c76ad30a4		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Office_Excel_Worksheet1.xlsx 502550 bytes
ooxml_oleobject_01.bin
c31a729a7b6532886bd6936f8ca5add042b43a5be1cbaed768d351ddd2a964c9		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Office_Excel_Worksheet1.xlsx!xl/embeddings/oleObject1.bin 462848 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.75, consistent with packed or encrypted content.
emf_00.emf
d2869865e74f1eebe249f565a4d04bc149cc762a693507880eaa7f9a91079039		 ooxml-emf OOXML EMF part: word/media/image1.emf 3565340 bytes

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