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

Static analysis result for SHA-256 35d1d412e76a1c44…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: cb45c1d6aa542821767e5879ebaa3d5c SHA-1: 4cf6dcc74c37dc9254b4461d9d89f90c28b1403d SHA-256: 35d1d412e76a1c44f521ea776498645d7a3ffb65800116f4b70a6546d9179e97
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is an Excel document flagged by ClamAV as a known dropper for Qbot. While no specific URLs or scripts were extracted, the heuristic strongly suggests the document's purpose is to initiate a download and execution chain, characteristic of Qbot malware distribution.

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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