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

Static analysis result for SHA-256 c0951f5a60c98fa4…

MALICIOUS

Office (OOXML) / .DOCX

2.55 MB Created: 2022-03-23 05:18:00 UTC Authoring application: Microsoft Office Word 14.0000 First seen: 2022-05-23
MD5: d95bbe8a97d864dc40c9cf845aeb4e9e SHA-1: cbaa7026d3bcc1e1fcbe26b0f4a69708aeee7fe7 SHA-256: c0951f5a60c98fa4fc79b524e89de3d290d3acd2d4a480a641f8c2bd838b0836
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1587.001 Develop Capabilities: Malware

The OOXML document was flagged for remote template injection and external relationship, indicating an attempt to load content from a remote source. The primary IOC is the remote template URL, which is likely used to deliver a malicious payload. The document body was truncated, and no scripts were extracted, limiting further analysis of the exact execution flow.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://www.microtreely.com/support/knowledgebase/article/AIUZGAE7230X.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: https://www.microtreely.com/support/knowledgebase/article/AIUZGAE7230X.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 https://www.microtreely.com/support/knowledgebase/article/AIUZGAE7230X.dotm
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • 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/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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