Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 c058403383990076…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a0b6b58e0662f567937d6b964940d378 SHA-1: ec88481a4873cdf71c57f8e3303e988ca882e0a0 SHA-256: c058403383990076b15ebeb0639b912d8f1aa8460ab07aca010db7070f4c7586
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 an Excel spreadsheet identified by ClamAV as Xls.Dropper.QbotDocu12020-9818439-0, strongly indicating Qbot malware. As a dropper, its primary function is to download and execute a secondary malicious payload. The presence of this specific ClamAV signature provides high confidence in the Qbot family attribution and its dropper functionality.

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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