Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 81a73850f81dd2eb…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 20e5d2b7757bbaa9b230b273d621a0f8 SHA-1: aedc192bf3543c2cdbcf001e2145d1a7cc44375e SHA-256: 81a73850f81dd2eb07b4c156d786cee6541e239882db5c87fc4280818f3ddd0c
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 it functions as a dropper for the Qbot malware family. The primary attack pattern involves luring the user into opening a malicious Excel file, which then executes a payload. While no specific scripts or document body content were provided, the heuristic detection is sufficient to infer malicious intent and delivery mechanism.

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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