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

Static analysis result for SHA-256 a4b15b0299e463ef…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 4663bfea9830d3230238d22a64c69ea5 SHA-1: fa5c0c38067bbce52d4110f74ab0cd448a66393f SHA-256: a4b15b0299e463ef64364aa3bfc5922ab815d2524aec0c2fd6e5989dd0553c58
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The OOXML_REMOTE_TEMPLATE heuristic indicates the document is configured to load external content from a URL. This is strongly suggestive of a downloader or exploit delivery mechanism. The ClamAV detection as 'Doc.Downloader.Redline' further supports this, pointing towards a downloader family. No document body text was available for analysis, but the presence of the remote template URL is the primary indicator of malicious intent.

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 (https://pxlme.me/rwsZys5Y) — 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: https://pxlme.me/rwsZys5Y
  • 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 https://pxlme.me/rwsZys5Y
    • 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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