Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 f59e8f3f5384700b…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 9b1cf1ebf02c2ccb69291d6945bd9188 SHA-1: 36fdd05e6f03290193547960d009358ad7805954 SHA-256: f59e8f3f5384700b1e08d299708fd82967aec926d70f481865360e38c0294053
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The critical ClamAV heuristic explicitly identifies the file as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating a Qbot dropper. This type of file typically uses malicious macros to download and execute a secondary payload, aligning with the spearphishing attachment technique. The file's metadata shows it is an older Excel document, potentially used for initial access.

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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