Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 96e76ec235b85e97…

MALICIOUS

Office (OOXML)

247.4 KB Created: 2020-12-08 15:40:16 UTC Authoring application: Microsoft Excel 16.0300
MD5: 4fa954954fa09e45c47df44c96c2e093 SHA-1: 1f4dbb748b16292f50e5b1b77539f7d19baa1049 SHA-256: 96e76ec235b85e97b25fdc9decd4bd97787aafd1fe35f5c1dc176ced808fed4d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Xls.Downloader.Agent08210-9888570-0. Static analysis reveals an OOXML clickable image lure designed to trick users into clicking an external hyperlink. This suggests a phishing or credential harvesting attempt, likely delivered as a spearphishing attachment.

Heuristics 4

  • ClamAV: Xls.Downloader.Agent08210-9888570-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Agent08210-9888570-0
  • OOXML clickable image phishing/form lure medium OOXML_CLICKABLE_IMAGE_FORM_LURE
    Workbook uses a large embedded image as the visible document body and attaches a click-through external hyperlink to that image. The target is a form/collection service or the drawing contains download/view lure text, which is a common credential or document-phishing pattern rather than benign workbook data.
  • External hyperlinks (1) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 1 external hyperlink — clickable URLs are stored as external relationships. First target: https://forms.gle/ZViD2tCHNxLroQh38
  • 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://forms.gle/ZViD2tCHNxLroQh38

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