Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 99bf670899ed7d06…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 1c482e23de6ea4ed837ac7bdf4c2859c SHA-1: 964a72f70ccf4a9ff6b241abb65a5d5ddc3e7556 SHA-256: 99bf670899ed7d06d7bd71dc42e951290abe13eb9a09930bba4cd018611ee7e7
60 Risk Score

Malware Insights

Qbot · confidence 90%

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

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot variant designed to deliver a secondary payload. The detection name itself suggests a dropper functionality, likely involving the execution of malicious code upon opening the Excel file. This aligns with common Qbot distribution methods.

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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