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

Static analysis result for SHA-256 27ca9c2d6359d54f…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: b962b36c3194976bfa8fe18c99e70fb6 SHA-1: dff0977e0c43ff254289c4ac00efd1c291fd97aa SHA-256: 27ca9c2d6359d54f59cbe362b20b0556128b063baf1db166696cd41684fa46d1
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1566.001 Spearphishing Attachment

The file exhibits high-confidence indicators of malicious activity, specifically remote template injection and external relationship abuse, both pointing to the URL https://grabify.link/IBAC74. ClamAV also identified the file as Doc.Downloader.Redline-9972754-0, suggesting a downloader functionality. The primary attack vector appears to be tricking the user into visiting the malicious link.

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://grabify.link/IBAC74) — 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://grabify.link/IBAC74
  • 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://grabify.link/IBAC74
    • 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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