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

Static analysis result for SHA-256 9956bc19f2259f0d…

MALICIOUS

Office (OOXML)

251.7 KB Created: 2021-06-07 17:47:41 UTC Authoring application: Microsoft Excel 16.0300 First seen: 2021-09-13
MD5: aafc230626c70b9b29964668e3d8472a SHA-1: a9ab54fd0a463daa749ddb5415b3457226fe5b82 SHA-256: 9956bc19f2259f0df802782d375e256da2142ddc5d72902a006b9c7077f323a4
86 Risk Score

Malware Insights

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

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Xls.Downloader.Agent08210-9888570-0. It contains an external hyperlink and uses an invoice lure, suggesting it is designed to trick users into clicking the link. The linked URL likely serves as a distribution point for a secondary payload.

Heuristics 5

  • ClamAV: Xls.Downloader.Agent08210-9888570-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Agent08210-9888570-0
  • External hyperlinks (1) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 1 external hyperlink — clickable URLs are stored as external relationships. First target: https://app.mockplus.com/run/rp/6DRBpuDwYCRw/xJHtuc1-M6gy?ps=0&ha=0&la=0&fc=0&out=0
  • External workbook data link low OOXML_EXTERNAL_REL_DATALINK
    External workbook reference in xl/pivotCache/_rels/pivotCacheDefinition1.xml.rels: /Users/goods/Downloads/JMS ENGINEERED PLASTICS INC_SOA_June.xlsx
  • 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://app.mockplus.com/run/rp/6DRBpuDwYCRw/xJHtuc1-M6gy?ps=0&ha=0&la=0&fc=0&out=0 Document hyperlink

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