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

Static analysis result for SHA-256 2c0134c989711261…

MALICIOUS

Office (OOXML) / .DOCX

15.5 KB Created: 2020-10-13 20:20:39 UTC Authoring application: Microsoft Office Word 16.0000
MD5: a24bf45eea278089e9eff33888e5d3b7 SHA-1: 6de4e1c8a351e57dc2c17277518cfffff3e629c7 SHA-256: 2c0134c98971126158f283433e6a02081a96b6334519061128753d14c66ce8cd
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The OOXML document exhibits high-severity heuristics for remote template injection and external relationship usage, pointing to a malicious external resource. The presence of a visible command execution instruction indicates the document is designed to trigger the download and execution of a secondary payload. The primary IOC is the URL associated with these malicious behaviors.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://www.e-faxsent.com/?t=eyJhbGciOiJIUzI1NiJ9.eyJ0cmFja2luZ190b2tlbiI6ImNmZmM4NzYzLWRiODctNDE4ZC04MjYyLTRkY2VkYTFjMDdhMiIsImNlbGwiOiJodH) — 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: https://www.e-faxsent.com/?t=eyJhbGciOiJIUzI1NiJ9.eyJ0cmFja2luZ190b2tlbiI6ImNmZmM4NzYzLWRiODctNDE4ZC04MjYyLTRkY2VkYTFjMD
  • 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://opendope.org/xpaths
    • http://opendope.org/conditions
    • http://opendope.org/questions
    • http://opendope.org/answers
    • http://opendope.org/components
    • http://opendope.org/SmartArt/DataHierarchy
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2010/main
    • http://schemas.openxmlformats.org/schemaLibrary/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.openxmlformats.org/drawingml/2006/chart
    • http://schemas.openxmlformats.org/drawingml/2006/chartDrawing
    • http://schemas.microsoft.com/office/drawing/2007/8/2/chart
    • http://schemas.openxmlformats.org/drawingml/2006/diagram
    • http://schemas.openxmlformats.org/drawingml/2006/picture
    • http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing
    • http://schemas.microsoft.com/office/drawing/2008/diagram
    • http://schemas.microsoft.com/office/2006/coverPageProps
    • http://schemas.openxmlformats.org/officeDocument/2006/bibliography
    • http://schemas.microsoft.com/ink/2010/main
    • http://schemas.microsoft.com/office/drawing/2010/chartDrawing
    • http://schemas.microsoft.com/office/drawing/2012/chart
    • http://schemas.microsoft.com/office/drawing/2012/chartStyle
    • http://www.w3.org/1998/Math/MathML
    • http://www.w3.org/2003/InkML
    • http://schemas.microsoft.com/office/drawing/2013/main/command
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2014/chart
    • http://schemas.microsoft.com/office/drawing/2016/11/diagram
    • http://schemas.microsoft.com/office/drawing/2017/03/chart
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.microsoft.com/office/drawing/2018/animation
    • http://schemas.microsoft.com/office/drawing/2018/animation/model3d
    • http://schemas.microsoft.com/of

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