Malicious Office (OOXML) / .XLSX — malware analysis report

Static analysis result for SHA-256 f65f8b2344112293…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 962d601efc023f5f6156663c58cbf34d SHA-1: aa76c87c2a3c036f605b2cbc8ef0c47083874a88 SHA-256: f65f8b2344112293706d80fe21593ee8367d361cfc39c145dd6c0c0578a90202
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper for malicious content. While no specific VBA or script content was extracted, the detection name strongly suggests the Excel file's primary purpose is to download and execute a secondary payload, likely Qbot malware. This aligns with a spearphishing attachment attack pattern.

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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