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

Static analysis result for SHA-256 ff6c0bd824a43f0a…

MALICIOUS

Office (OOXML) / .DOC

11.4 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 15.0000
MD5: 73e5cc2e03dbf8758b05cc7fe777f161 SHA-1: 52989703f4ccd432775f26e6cc0e4ed34ff92fb4 SHA-256: ff6c0bd824a43f0a7fd655b6bc94fb231e504b6644aa0f83903390f0916286ee
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics indicate that this document is configured to fetch content from a remote location. The embedded URL, while marked as benign, points to the same location as the remote template, suggesting it's part of the lure. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports the downloader functionality. The document body is minimal and does not provide additional context.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://bit.do/fQHvn) — 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/webSettings.xml.rels: http://bit.do/fQHvn
  • 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://bit.do/fQHvn
    • 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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