Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 1f1822a3223d74ae…

MALICIOUS

Office (OOXML)

108.4 KB Created: 2021-07-07 11:44:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2021-09-13
MD5: 76c98a2a8b48027b44c40e2cef803040 SHA-1: 53a75726d785bc00e770a06bca596487e8b8d3b5 SHA-256: 1f1822a3223d74ae919937c6bb13887fa3d35719bd2035407a15e7a7b9fcae11
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a malicious OOXML document that utilizes remote template injection to download a secondary payload from the URL 'https://safiliti-load.com/ecm/ibm/3166347507/converter.dot'. This technique is commonly used in spearphishing attacks to deliver malware. The ClamAV detection further confirms its malicious nature as a downloader.

Heuristics 4

  • ClamAV: Doc.Downloader.Office3steps12210-9915225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Office3steps12210-9915225-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://safiliti-load.com/ecm/ibm/3166347507/converter.dot) — 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://safiliti-load.com/ecm/ibm/3166347507/converter.dot
  • 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://safiliti-load.com/ecm/ibm/3166347507/converter.dot Remote template reference
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvasIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2014/chartexIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2012/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2015/wordml/symexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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