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

Static analysis result for SHA-256 046fff3c5fa9f768…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 0e77eaf8404169d14e3f1b8c2d20df6f SHA-1: ce0a145963a0a414cc7f4676d285da09924b173a SHA-256: 046fff3c5fa9f76871575209a0e645fa8f1356005c28800fe10a6c1ebcd71219
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The critical ClamAV heuristic identified the file as Doc.Downloader.Redline-9972754-0, indicating a downloader. High-severity heuristics for remote template injection and external relationships further support this, pointing to the embedded URLs. These URLs are likely used to fetch and execute a second-stage payload, a common tactic for malware distribution.

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://96.9.210.21/...-.--------------...................................................-............................................-/....) — 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://96.9.210.21/...-.--------------...................................................-..............................
  • 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://96.9.210.21/...-.--------------...................................................-............................................-/
    • http://96.9.210.21/...-.--------------...................................................-............................................-/.................................._W...............w____________
    • http://96.9.210.21/...-.--------------...................................................-
    • 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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