Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 ff312681e2e3fa91…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 4cf8c094294a40c1dc7f9f3db91ae92c SHA-1: 4042f3ac5776c56a7d649060265c13178c8eb4eb SHA-256: ff312681e2e3fa9129233f6e831b05a5819c773a86c3287f9115f4e5bf87ec1b
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: Malicious Code

The file is an Excel spreadsheet identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot dropper. The primary function is to deliver and execute a secondary malicious payload. The detection name itself suggests a dropper mechanism, likely involving macro execution to achieve this.

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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