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

Static analysis result for SHA-256 8b7768809370f6aa…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 97f6df0e6f6ffe0d0cd753a71edd613e SHA-1: 3459495e1cd8a68e16e4f935e40b032aeb9f8d8f SHA-256: 8b7768809370f6aaf43dee4cddeebe55027d6da4c432c500f495283187061245
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified as a malicious Excel document by ClamAV, specifically flagged as a dropper. While no specific document body or scripts were extracted, the detection signature 'Xls.Dropper.QbotDocu12020-9818439-0' strongly suggests its purpose is to download and execute a secondary stage malware, likely Qbot. The file's metadata indicates it's an older Excel file, but its dropper functionality remains a significant threat.

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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