Malicious Office (OOXML) / .XLSX — malware analysis report

Static analysis result for SHA-256 4f35b795f5a9d29f…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 0a93a614ce21fa6adef9acb1891fdb71 SHA-1: 66a326294f3344bfd4304286022d3bb202a56cf0 SHA-256: 4f35b795f5a9d29fd7651649bd37cf6c83b6b70696859179c50633e2db41ab18
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as a known dropper for Qbot malware. While no specific VBA or script content was extracted, the heuristic strongly suggests the Excel file contains malicious macros intended to download and execute a secondary payload, a common tactic for Qbot.

Heuristics 1

  • ClamAV: Xls.Dropper.QbotDocu12020-9818439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.QbotDocu12020-9818439-0

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