Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 49c3983fb05d7a12…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: de037a804ef3dea7c2d407ea1d035921 SHA-1: fb7b4f56453c0bd851b2b2ba1e14cf02d0253165 SHA-256: 49c3983fb05d7a12562773631296c8c5e80ee303ac231afe43b40989c36c234e
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 download and execute a secondary payload. The presence of macro-related heuristics further supports its role as a dropper. The primary attack pattern involves luring the user into opening a malicious Excel file 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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