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

Static analysis result for SHA-256 07ffbabb575117c7…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 3eb620f82132d7715cde30887fa24ed5 SHA-1: cf9fe04fa0e778e800e2e9bd681e831a95af1e09 SHA-256: 07ffbabb575117c731872d2d6cda388f2343fdee55d700f8357263a48c0edabc
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample exhibits characteristics of a malicious document downloader. It contains heuristics indicating remote template injection and external relationships pointing to the URL http://bit.do/fQXx8. This URL is likely used to fetch and execute a secondary payload, as suggested by the ClamAV detection name 'Doc.Downloader.Redline-9972754-0'. The document body is minimal and does not provide further context on the lure.

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/fQXx8) — 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/fQXx8
  • 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/fQXx8
    • 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

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