Xls.Downloader.Agent08210-9888570-0 — Office (OOXML) malware analysis

Static analysis result for SHA-256 c224c3781e7af41b…

MALICIOUS

Office (OOXML)

251.1 KB Created: 2021-06-07 17:47:41 UTC Authoring application: Microsoft Excel 16.0300
MD5: 37aed68ba57d6018bc053473e2fd82e1 SHA-1: 16787780ee400da8e568193f1378302a45565525 SHA-256: c224c3781e7af41b10a5458f3470ee4c2fe9951e1aed510b7862be7cf3657898
98 Risk Score

Malware Insights

Xls.Downloader.Agent08210-9888570-0 · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious Excel document by ClamAV, specifically 'Xls.Downloader.Agent08210-9888570-0'. It contains heuristics indicating it's a fake invoice lure and has an external hyperlink. The hyperlink likely leads to the download of a second-stage payload, which is a common tactic for this type of malware. No scripts were extracted from this sample.

Heuristics 5

  • ClamAV: Xls.Downloader.Agent08210-9888570-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Agent08210-9888570-0
  • External relationship medium OOXML_EXTERNAL_REL
    External target in xl/pivotCache/_rels/pivotCacheDefinition1.xml.rels: /Users/goods/Downloads/JMS ENGINEERED PLASTICS INC_SOA_June.xlsx
  • External hyperlinks (1) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 1 external hyperlink — clickable URLs are stored as external relationships. First target: https://my.sitejet.io/goto/1983578/d1ba0b097a338c99b5777217b6fe1e950c349c3600fcf7e56d7bf8069cfefcbc/my_website_presentation
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://my.sitejet.io/goto/1983578/d1ba0b097a338c99b5777217b6fe1e950c349c3600fcf7e56d7bf8069cfefcbc/my_website_presentation

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