Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 b5e06d877ad5a666…

MALICIOUS

Office (OOXML)

11.2 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 20d441ee9e41e480eabc0b8cb859aff5 SHA-1: 3bb85dd37c104df7400c9429ba40aafd3f4d01b4 SHA-256: b5e06d877ad5a666423e0868a6c2057641f913d9c9bcb0c175ee3cf5a9303f61
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file exhibits critical heuristic firings for remote template injection and external relationships, pointing to a malicious document. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests it's a downloader. The embedded URL 'https://hyp.ae/P8fVQ' is likely the source for the secondary payload, indicating a spearphishing attachment attack pattern.

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/P8fVQ) — 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/P8fVQ
  • 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://www.titus.com/ns/Procredit
    • https://hyp.ae/P8fVQ
    • 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
    • http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes
    • http://schemas.openxmlformats.org/officeDocument/2006/custom-properties

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