Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 4bf8810b61f0dc0b…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 0aeaa282030cb378af99db4d7caf398c SHA-1: 323101b7e1d55fdccf783cc4b1726011d02e4c0b SHA-256: 4bf8810b61f0dc0b64e8955fa788dc10fc69c61a1c60567ffd13ad80fd8c4ff1
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 indicating its role as a dropper for the Qbot malware family. While no specific VBA or script content was extracted, the heuristic firing points to the file's primary function of downloading and executing a malicious payload. The document's metadata suggests it is an older Excel file, potentially used for initial infection vectors.

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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