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

Static analysis result for SHA-256 e0db2c1bfca863d6…

MALICIOUS

Office (OOXML) / .DOC

21.6 KB Created: 2021-07-30 07:09:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 4956abb226d1887a21250d0539d2a638 SHA-1: d4a9f069d6fc64a68fb4b38067e4f8d8a81a5b98 SHA-256: e0db2c1bfca863d60b005b54ab40a7b529830310f86dccc68e47e7900717bc45
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for remote template injection and external relationship, both pointing to the URL http://semara.ru/ADMIN/false.dot. This suggests the document is designed to load external, potentially malicious, templates. The ClamAV detection as Doc.Downloader.Gamaredon-9966166-1 further supports a malicious downloader classification.

Heuristics 4

  • ClamAV: Doc.Downloader.Gamaredon-9966166-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Gamaredon-9966166-1
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://semara.ru/ADMIN/false.dot) — 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/settings.xml.rels: http://semara.ru/ADMIN/false.dot
  • 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://semara.ru/ADMIN/false.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • 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/2015/wordml/symex
    • 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

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