Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 40420375c07bcc83…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 4625cf5abcb48fc2aa58e39a1c3b150c SHA-1: 2c2feda7c97c534c020eeb40d7920de23fe7472b SHA-256: 40420375c07bcc836c816215940676b71c90592ee98f8fdbe63f05b2f803ef85
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

Static analysis identified the file as an Excel spreadsheet with a critical ClamAV heuristic firing for 'Xls.Dropper.QbotDocu12020-9818439-0'. This strongly suggests the file is a Qbot dropper, intended to download and execute a secondary malicious payload. The file's structure and heuristic detection point towards a phishing attack leveraging a malicious attachment.

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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