Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 99ecce8e94a8e777…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a8c5505eed995ce846f373c3b43cde2d SHA-1: 13bc1d29718cdc75bcc0dfc32b63f04eb0627540 SHA-256: 99ecce8e94a8e777eb44a36573c72c8e2640470c98e8680e7978530c9dd539d8
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: Malicious File

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting it is a Qbot variant. As a dropper, its primary function is to download and execute a secondary malicious payload. The file's structure and detection name indicate a phishing or social engineering lure, likely delivered as an attachment, to trick users into enabling macros and initiating the payload execution.

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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