Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b745d87bcd59f48d…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: cff9afed05a23951cfebc2357cf97884 SHA-1: f542e255c937aa7f4f04a6ce39e407386135ff5f SHA-256: b745d87bcd59f48d98d75be0834e2165a74f03551bb72a72df3296a6bcbbefbf
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 suggesting it is a Qbot variant designed to act as a dropper. While no document body or scripts were extracted, the heuristic firing indicates the primary function is to download and execute a malicious payload, likely leveraging macro execution within the Excel file.

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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