Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b3bf375317e528d2…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: cc86d1e14498b239d8c986ebcb90600b SHA-1: 2444c739c1822757d98eaabb72cddffd203687fc SHA-256: b3bf375317e528d2ed8318b46e0493f42e2c1d6f8860b0d6dcd4ec0be4c4e911
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file was detected by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper for the Qbot malware family. The primary attack pattern involves luring a user into opening a malicious Excel file, which then likely executes a macro to download and run a further stage payload. The specific heuristic firing strongly suggests Qbot's known dropper capabilities.

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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