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

Static analysis result for SHA-256 d638bca12d081592…

MALICIOUS

Office (OOXML) / .DOC

15.5 KB Created: 2020-10-13 20:20:39 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 6063ff2a0bb37639cca26a01cd0bc538 SHA-1: 860a00396e54d407571c6233ce22450d614b0450 SHA-256: d638bca12d0815921a921ffa03b13ea4c4e625a765b702cb83f99a06bbcd4ad9
100 Risk Score

Malware Insights

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

The OOXML document contains heuristics indicating remote template injection and external relationship exploitation. It also contains visible command execution instructions, likely involving PowerShell, to download and execute a second-stage payload from the embedded URL. The primary intent appears to be the execution of arbitrary code via a malicious document.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://www.auditmessages.com/de-de?t=eyJhbGciOiJIUzI1NiJ9.eyJ0cmFja2luZ190b2tlbiI6ImI0ODc1NTZkLTU1MTctNGE5Mi05MTJlLTJlNjU0MDU3ZGI3MiIsImNlb) — 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.auditmessages.com/de-de?t=eyJhbGciOiJIUzI1NiJ9.eyJ0cmFja2luZ190b2tlbiI6ImI0ODc1NTZkLTU1MTctNGE5Mi05MTJlLTJlN
  • 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.microsoft.com/office/word/2012/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.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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