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

Static analysis result for SHA-256 84c8eeff431627b9…

MALICIOUS

Office (OOXML) / .XLSX

247.3 KB Created: 2011-08-29 12:03:33 UTC Authoring application: Microsoft Excel 16.0300
MD5: a16bf10575a7148dc57045bc75a0eb69 SHA-1: 76c9c9d9d8fc9adea611283ff49dc3611bb1ef03 SHA-256: 84c8eeff431627b939fef09dd4025a30ce27b4a3640f37af373cd8aec556f914
70 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, indicating it functions as a downloader. It contains an external hyperlink to 'https://www.formtools.com/f/httpswwwofficecomauth2-1606', which is likely used to fetch and execute a secondary malicious payload. The presence of this hyperlink suggests a spearphishing attachment attack vector.

Heuristics 3

  • 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://www.formtools.com/f/httpswwwofficecomauth2-1606
  • 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://www.formtools.com/f/httpswwwofficecomauth2-1606

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