Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 4bcf9903bf472582…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 0be6dc398fcbc9124a84bbaada81b491 SHA-1: 3fc012731e754567a7682608b771df11d0d86f33 SHA-256: 4bcf9903bf4725829d1d81cc74c6ac954832b51013f09d160d7edef9004f145f
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 detection name itself suggests a dropper functionality, which is a common initial stage for Qbot infections. This points to a spearphishing attachment attack pattern.

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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