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

Static analysis result for SHA-256 2ebfaef0eea9b27c…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-10-25
MD5: c97b15006d8dd4dfeedaf193a00d7da0 SHA-1: e0ff77bd57a739a4dbbd0acb5d165b9000c26ca9 SHA-256: 2ebfaef0eea9b27ca8b66d01b2e40ecfac430abf36122abe6fcd629cbc6f70f9
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample utilizes OOXML remote template injection and external relationships to fetch a document from a suspicious URL. ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests this file acts as a downloader for further malicious content. The embedded URL is the primary indicator of the download source.

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://zaqwsxcdeediuighfgfgfgfgdzzsszz@1806445748/zxxwwqa_oopkkjhggzxx_ophhuhggug_pokjkk/zxzxxzugg_pohgzx.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://zaqwsxcdeediuighfgfgfgfgdzzsszz@1806445748/zxxwwqa_oopkkjhggzxx_ophhuhggug_pokjkk/zxzxxzugg_pohgzx.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://zaqwsxcdeediuighfgfgfgfgdzzsszz@1806445748/zxxwwqa_oopkkjhggzxx_ophhuhggug_pokjkk/zxzxxzugg_pohgzx.doc
    • 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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