Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 35b8df655dbccc66…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 9f2f17afdbbe00ce5e04cce443c2f5ae SHA-1: 395b7bcf6ed386ef3e3e75f52d84ff80820d5adb SHA-256: 35b8df655dbccc663ff25003da8948e75d896c42721bdd601ea7c460eb78accf
60 Risk Score

Malware Insights

Qbot · confidence 90%

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 suggesting it is a Qbot variant designed to drop a secondary payload. The Office (OOXML) file type indicates it is likely delivered as a macro-enabled document, a common initial access vector for Qbot. The heuristics indicate a dropper functionality, implying the primary purpose is to download and execute further malicious content.

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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