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

Static analysis result for SHA-256 6f4bd7871477ac38…

MALICIOUS

Office (OOXML) / .DOC

25.6 KB Created: 2020-02-25 05:41:00 UTC Authoring application: Microsoft Office Word 14.0000
MD5: 0d546d6569abc378553a653846c87409 SHA-1: 33d7431a151840bbc8f903d34f874462dfa0fd25 SHA-256: 6f4bd7871477ac3867126b82cfb3d9627e62b6a9d1a4d41a20bae733e18a33d7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The OOXML document contains heuristics indicating remote template injection and external relationship to a URL. This suggests the document is designed to pull content from an external source, likely for malicious purposes. The embedded URL points to a remote template which is a common technique for delivering secondary payloads.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://ncio.freedynamicdns.net/srv/log/sIfLDJ.dot) — 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: http://ncio.freedynamicdns.net/srv/log/sIfLDJ.dot
  • 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://ncio.freedynamicdns.net/srv/log/sIfLDJ.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • 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/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

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