Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 99d035267df6e65d…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: ff3d50322d8e94cf449b45e543e618bb SHA-1: fb9eb66fa17a3745e4a991c220991f98a9ac6db0 SHA-256: 99d035267df6e65dc6cc73b9f9ce319da8f0ab266a96fc9ea7d770cf8b7cff22
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 indicating a Qbot family dropper. The OOXML format suggests it was delivered as a malicious attachment, likely via spearphishing. The primary function is to download and execute a secondary payload.

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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