Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 fcafbc66cddecf31…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 3bfa6ce51e74e8349ac6959beeec3a0e SHA-1: 26e8f3c38134ef575e9976e9115b9a80d1ecfb8e SHA-256: fcafbc66cddecf3103c6ced028d4dc845b29051d402443904b4b29413c5230d3
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.QbotDocu, strongly suggesting it is a Qbot variant. As a dropper, its primary function is to download and execute a secondary payload. The presence of macro-related heuristics further supports this, indicating a likely attack pattern involving malicious macros within the Excel document to initiate the infection chain.

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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