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

Static analysis result for SHA-256 a5b8a79af9511ef5…

MALICIOUS

Office (OOXML) / .DOC

155.5 KB Created: 2022-05-06 02:33:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2022-11-01
MD5: 79f541f960940ed28d295d82e00bc3e2 SHA-1: 42312432b1af4b24e5c21d768cc0a6bd1c22cac6 SHA-256: a5b8a79af9511ef5e0e8f44459951f22298bf9883f90d10225e759c323af38c3
122 Risk Score

Malware Insights

MITRE ATT&CK
T1187 Exploitation for Public-Facing Application T1204.002 Malicious File

The file is detected as a downloader by ClamAV and exhibits remote template injection and external relationship heuristics. These indicate the document is configured to fetch and likely execute content from the external URL http://188.34.187.110/g0xqtv.dotm, which is a common technique for delivering secondary payloads.

Heuristics 4

  • ClamAV: Doc.Downloader.e341431ebcbc3c3a-9980308-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.e341431ebcbc3c3a-9980308-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://188.34.187.110/g0xqtv.dotm) — 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://188.34.187.110/g0xqtv.dotm
  • 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://188.34.187.110/g0xqtv.dotm
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.microsoft.com/office/2019/extlst
    • 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/2018/wordml/cex
    • http://schemas.microsoft.com/office/word/2016/wordml/cid
    • http://schemas.microsoft.com/office/word/2018/wordml
    • http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash
    • 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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