Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b3cf9cdcaeb5d8d8…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: c443f079e9f9bc9c09a9b8852d84d743 SHA-1: 69930519bacf15c3bb75b096f48fe357f51d1dc4 SHA-256: b3cf9cdcaeb5d8d82fbc52ac16387b07cc1659dd83ddb69b2df101f939eaabc3
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 is a Qbot variant designed to download and execute a secondary payload. The file's structure as an Excel document suggests it was delivered via a phishing attempt, likely as a spearphishing attachment. The SHA256 hash is included as a primary IOC.

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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