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

Static analysis result for SHA-256 056751340b37f2d8…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-06-24
MD5: d5e0ed719cebe8535466b4e4c82b8113 SHA-1: ca4f74d6cb217f729de29a5b8bafad51e80c1516 SHA-256: 056751340b37f2d8212e9afe840d4933536aeefd324defa36ce24453feb93d56
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample exhibits high-severity heuristics for remote template injection and external relationships, pointing to the URL http://htmlpreview.github.io@192.227.173.34/poco/document_swift.doc. This indicates the document is configured to fetch and likely execute content from this external source, a common technique for downloading second-stage malware. ClamAV detection as 'Doc.Downloader.Redline-9972754-0' further supports its malicious nature as a downloader.

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://htmlpreview.github.io@192.227.173.34/poco/document_swift.doc) — 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 high OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://htmlpreview.github.io@192.227.173.34/poco/document_swift.doc
  • 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://htmlpreview.github.io@192.227.173.34/poco/document_swift.doc
    • 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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