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

Static analysis result for SHA-256 0c1a711ddb0761a8…

MALICIOUS

Office (OOXML) / .DOC

11.5 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 15.0000
MD5: 1a4699255b559c6cb7ec9afc079ab8b1 SHA-1: 6f88e9ad30a2488d22b21a3b423f4e65bc3eccb6 SHA-256: 0c1a711ddb0761a8b3422a718c00a0728ee05cd2a68a786bd9385f77b104bc1f
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file exhibits characteristics of a downloader, specifically triggering heuristics for remote template injection and external relationships pointing to a suspicious URL. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' further supports this, indicating the document's primary function is to fetch and execute a secondary payload from the identified external resource.

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://wsdybsskillemmulatorsdevelovercommwsity.ydns.eu/recei/invoice_771275.doc) — 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 high OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://wsdybsskillemmulatorsdevelovercommwsity.ydns.eu/recei/invoice_771275.doc
  • 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://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape
    • http://wsdybsskillemmulatorsdevelovercommwsity.ydns.eu/recei/invoice_771275.doc

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