Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 41c9f516117e9f67…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 3e68a30c976344d4bfb58b0428c618e7 SHA-1: dbe1aadfdeb4cca330fec0ddfa68bcd5985ce25c SHA-256: 41c9f516117e9f67856b9d9234b5d24e2cafac0dafb0b00942ed7cffbcd23048
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified by ClamAV as Xls.Dropper.QbotDocu12020-9818439-0, strongly suggesting it is a Qbot variant. As a dropper, its primary function is to download and execute a secondary payload. The detection name implies a macro-based execution vector, typical for Qbot's initial infection stages.

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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