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

Static analysis result for SHA-256 21542f9b9f633b6e…

MALICIOUS

Office (OOXML) / .DOC

208.1 KB Created: 2021-06-19 02:22:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 8959c893438f4a2d34f6eafcbc6f5e4d SHA-1: a747bf128cdb02467fe9abef2f47da43850cc4af SHA-256: 21542f9b9f633b6ef399c670a2f3b50c7581da51fd61c8211913e066735c3007
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file is a malicious Office document that uses remote template injection to download and likely execute a secondary payload. The ClamAV detection 'Doc.Downloader.Gamaredon-9966166-1' suggests a downloader functionality. The primary IOC is the URL used for the remote template injection.

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://lump.semara.ru/DCH00-01/counter/nearest/needle.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://lump.semara.ru/DCH00-01/counter/nearest/needle.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://lump.semara.ru/DCH00-01/counter/nearest/needle.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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