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

Static analysis result for SHA-256 db9933f7927db1a9…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: fdccd2795cb3fcb4e41f4a196831eeb2 SHA-1: 0a4c0b646a6e936940f1d6df3ea2041fdd9a9a25 SHA-256: db9933f7927db1a9e4c83adf84adf834fcfc22ae62c04a2c910fe452e2fdeff1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution

The file exhibits characteristics of a downloader, specifically triggering heuristics for remote template injection and external relationships. The ClamAV detection name 'Doc.Downloader.Redline' further supports this. The embedded URL, although marked as benign in this analysis, is likely the initial vector for fetching a secondary payload. The document body is minimal and does not provide further context.

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://is.gd/lYao4Z) — 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://is.gd/lYao4Z
  • 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://is.gd/lYao4Z
    • 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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