Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 91e397ffe8690374…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 68321b47049786cc448daf1df7043c7d SHA-1: 7739e4410d01cd37620953689c8b9c33acbd3cff SHA-256: 91e397ffe869037403729e8802d618a7621dd21f562cc802744a48dce2cbcad7
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it functions as a dropper for the Qbot malware family. The primary attack pattern involves luring the user into opening a malicious Excel file, which then executes a payload. While no specific script content was extracted, the heuristic firing is sufficient to attribute the dropper functionality.

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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