Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 49b8351f967d5bed…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: ade9bfe5f9eef171539cc11e5e581f56 SHA-1: 59f020bcb73cb095a92b87b78f318d7715ec45dc SHA-256: 49b8351f967d5bed5c92be3d96f946bd71b6a856feb071174503c05f4a9c6940
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

Static analysis identified the file as a malicious Excel document. The ClamAV heuristic specifically flags it as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot dropper. The primary attack pattern is likely spearphishing, where the user is tricked into opening the malicious attachment to initiate the Qbot infection chain.

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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