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

Static analysis result for SHA-256 dd997b080916cb25…

MALICIOUS

Office (OOXML) / .DOC

2.11 MB Created: 2022-06-27 11:36:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2022-06-27
MD5: 7d5098d23b5c9a1fa4353e54c0974b6c SHA-1: 5252766c0f67ebfc502658bf7b0fab995b79c7c8 SHA-256: dd997b080916cb253cdbc957ae129e1ca236e12b3328b69519d2ce9c5b071bc3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204 User Execution: Malicious Link T1566 Phishing T1566.001 Phishing: Spearphishing Attachment

The file is identified as malicious by ClamAV with a critical heuristic indicating it is a downloader. The document contains a lure to enable macros, a common tactic for malware delivery. No scripts were extracted, but the presence of embedded URLs and the critical heuristic strongly suggest the document's purpose is to download and execute a secondary payload.

Heuristics 3

  • ClamAV: Doc.Downloader.8a5a5aca5aca5a7a-OOXML-9981537-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.8a5a5aca5aca5a7a-OOXML-9981537-0
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://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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