Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 4f0b1cbad8078a0a…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 80004e01f945b756c8e53fb5d0bca882 SHA-1: cb8926d4d563d0eadcc520c5b9a5c3698e79f5f9 SHA-256: 4f0b1cbad8078a0a673c0072e09886f8f98663852858cd5185871e7a064ed0c2
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is an Excel spreadsheet identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it is a Qbot dropper. The file's metadata shows it was authored in 2006, but the detection signature suggests a more recent variant or a re-use of older naming conventions. The primary attack pattern involves delivering a malicious payload via a spearphishing attachment.

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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