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

Static analysis result for SHA-256 e078114e2b58bb8c…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 856b8cfcecc096c8cfde320cba2a8f76 SHA-1: 42d8e1a205df6edae1c44db265ca07f8706a7dbc SHA-256: e078114e2b58bb8c26ec344b7e2485a5d9f777e8cdd21da951ca3efb24b7b136
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1059 Command and Scripting Interpreter

The OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics indicate that this document is configured to fetch content from an external URL. The ClamAV detection name 'Doc.Downloader' further supports that this document is a downloader. The extracted URL, http://bit.do/fQyHw, is likely the source of the malicious payload. The document body is minimal and does not provide further 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/fQyHw) — 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/fQyHw
  • 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/fQyHw
    • 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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