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

Static analysis result for SHA-256 0262ccc63f545e69…

MALICIOUS

Office (OOXML)

251.1 KB Created: 2021-06-07 17:47:41 UTC Authoring application: Microsoft Macintosh Excel 16.0300 First seen: 2021-09-13
MD5: 4733e8270f390ccc3afae090f8b67b14 SHA-1: 395aa8aab44ebff28b03012dfe6efc4070714d2c SHA-256: 0262ccc63f545e69bd02f0b52347dbb6c7d47eddd96d1da5074ddd8fdec4d70f
118 Risk Score

Malware Insights

Xls.Downloader.Agent08210-9888570-0 · confidence 90%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is detected as Xls.Downloader.Agent08210-9888570-0 by ClamAV. It contains an external hyperlink to a suspicious URL and uses an invoice lure to encourage user interaction. The presence of external relationships and the invoice lure suggest a phishing attempt designed to lead the user to download a malicious payload.

Heuristics 5

  • ClamAV: Xls.Downloader.Agent08210-9888570-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Agent08210-9888570-0
  • External relationship high OOXML_EXTERNAL_REL
    External target in xl/pivotCache/_rels/pivotCacheDefinition1.xml.rels: file:///C:/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/1983566/c8ae483b0e875c9c8999b8b77eb850c15350a8ad7e9418203eda9ae4bd8b0fff/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/1983566/c8ae483b0e875c9c8999b8b77eb850c15350a8ad7e9418203eda9ae4bd8b0fff/my_website_presentation Document hyperlink

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