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

Static analysis result for SHA-256 bccc8f4cae647948…

MALICIOUS

Office (OOXML) / .DOC

72.2 KB Created: 2025-01-15 11:21:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 99f9a07f0e08b574883214d4ab46eb16 SHA-1: 0445eca811e8f7f7d2c0dc78719f5d0f6a1eb964 SHA-256: bccc8f4cae647948198fe737993c00581e4d0c51a5609975b7fe731884060110
80 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link

The OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics indicate that the document is configured to load external content from a malicious URL. This is a common technique for delivering secondary payloads. The embedded OLE object is also suspicious and may contain further malicious content. The document body contains a simple mathematical formula, which is likely a lure.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://test.mycon.link/cpYtWE?&oxen=sore&hardboard=excellent&jam) — 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://test.mycon.link/cpYtWE?&oxen=sore&hardboard=excellent&jam
  • 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.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
245299360248052a2b2b274064256c3c337583cfc36f25e495795ba0202015f2		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Office_Excel_97-2003_Worksheet1.xls 133120 bytes
emf_00.emf
665ece8308ce679d45780275d0f0c58b866a6b063b15094a5f2ce34652e34cfc		 ooxml-emf OOXML EMF part: word/media/image1.emf 95552 bytes

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