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

Static analysis result for SHA-256 6814750712cecb00…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2021-10-23
MD5: f7ac33fb4f5e0e571365a8bec2e0507d SHA-1: 0da0e98e3cbb3937695552df54d5e2f0fb23870f SHA-256: 6814750712cecb00b5e5328615f9c9bd10d05506c9090fc5a02f5e004bb80880
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file contains heuristics indicating remote template injection and external relationships pointing to a suspicious URL. The ClamAV detection name 'Doc.Downloader.Redline-9972754-0' strongly suggests the document's purpose is to download a secondary payload. The embedded URL is the primary indicator of this malicious behavior.

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://103.167.93.12/invoice/invoice_000300020.wbk) — 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://103.167.93.12/invoice/invoice_000300020.wbk
  • 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://103.167.93.12/invoice/invoice_000300020.wbk
    • 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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