Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 9ff051519714d87d…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 641760b0273439e2a97c180ad0ca27e3 SHA-1: 7c865ca66dd6e116b0f7b1763f39cb217ebd5b3b SHA-256: 9ff051519714d87d4b2c2bb3e1af87a4e4617c31f46b6b7b6886b1cce647483e
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: Malicious File

The file is identified by ClamAV as Xls.Dropper.QbotDocu12020-9818439-0, strongly indicating it is a Qbot variant used for dropping secondary payloads. The Excel format suggests it was likely delivered via spearphishing. The primary function is to execute malicious code, leading to further infection.

Heuristics 1

  • ClamAV: Xls.Dropper.QbotDocu12020-9818439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.QbotDocu12020-9818439-0