Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 613d1d7b135abc26…

MALICIOUS

Office (OOXML)

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 1c976b56c844b7b2bd8d0ee865eaa6d2 SHA-1: 84dea0c13f564ad7b1598d8f9b4e1f4b83eb2f85 SHA-256: 613d1d7b135abc26d2182ffbee6a0749dd38c4f94c9f8e5a14eb122d974e8fa5
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The OOXML document contains a critical ClamAV detection for Doc.Downloader.Redline-9972754-0, indicating it's a downloader. Heuristics indicate remote template injection and external relationships pointing to the URL https://hyp.ae/sK7XQ. This suggests the document is designed to lure the user into downloading and executing a secondary malicious payload.

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://hyp.ae/sK7XQ) — 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://hyp.ae/sK7XQ
  • 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://hyp.ae/sK7XQ
    • 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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