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

Static analysis result for SHA-256 f1815710731308f7…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: e7b51714ec537eff7a3b4b7cd149b6a1 SHA-1: 46efec7494dff449dc0122b181952a9e51f98029 SHA-256: f1815710731308f7ac1a03b51b6082c4f697a5e1e680b23702d4c09dfc13c882
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 other malware. While no specific VBA or script content was extracted, the detection signature strongly suggests a malicious intent to download and execute a second-stage payload, likely Qbot. The file's nature as an Excel document points towards a spearphishing attachment delivery method.

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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