Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 5552259eb8813c23…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: d99aa77157865774793538eba23170c3 SHA-1: 78f06cb05b7d6501953e26e4f92ec3791e80e031 SHA-256: 5552259eb8813c23649f05c7d5dc7b668cf92901056d4c067c859462e99dcf68
60 Risk Score

Malware Insights

Qbot · confidence 95%

The file is an Excel spreadsheet identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot variant. The primary attack vector is likely macro execution, a common technique for Qbot to download and execute its secondary payload. The heuristic firing directly points to its 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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