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

Static analysis result for SHA-256 94fa80c133c152ab…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-06-15
MD5: 1ba139d79438fc4406ab8b8fd93f6a30 SHA-1: 1c20e3513dc8a1d8ea3b86e6556ce985b7935a02 SHA-256: 94fa80c133c152abe46e0f6f20c06b1f27c225f2723915596af2ad8499fa4ff0
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for ClamAV detection as 'Doc.Downloader.Redline-9972754-0', indicating it functions as a downloader. High and medium severity heuristics for 'OOXML_REMOTE_TEMPLATE' and 'OOXML_EXTERNAL_REL' further suggest the document is designed to pull external content. The unknown reputation URL 'https://itop.so/DpWhg' is likely the source of the malicious payload. The document body is minimal and does not provide further context on the lure.

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://itop.so/DpWhg) — 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://itop.so/DpWhg
  • 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://itop.so/DpWhg
    • 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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