Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 99aa60f9c2cdf185…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 425b505fbd0fb377e728bb10589d9ef1 SHA-1: 4af61ca2a21b78ee7d39f9699815a8ad396d34b6 SHA-256: 99aa60f9c2cdf185aa1d3bc24c4298ae61ffa430a8fd56ae8330cddfdc35fa29
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it is a Qbot variant designed to deliver a payload. The detection name suggests it functions as a dropper, likely leveraging macro execution within the Excel file to download and execute a secondary stage. The primary attack pattern involves luring the user into opening a malicious document to initiate the infection chain.

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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