Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 339cfdb3d872001f…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 63b6534b531cc6e2f36daa8add4433c5 SHA-1: 8e3aa82a3028391178e6dee04c3e4b821efe366a SHA-256: 339cfdb3d872001f758ef0add76789da5e23f8460694dafd106216c799d596a5
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The critical ClamAV heuristic identifies this file as Xls.Dropper.QbotDocu, strongly indicating it is a Qbot variant designed to download and execute a secondary payload. The file's nature as an Excel document suggests it was likely delivered via a spearphishing attachment, and the dropper functionality points to the execution of malicious code, potentially using Visual Basic macros.

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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