Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b3a8f21f61d6916a…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 2aa5fbddbee1760e3fec8ce3a459bb02 SHA-1: 86012c6f3d25c076814a369177f1044bf5608c2f SHA-256: b3a8f21f61d6916a051f24234b4a16d5393baa6b8844b42f175502338b0bd4c1
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 is a Qbot dropper. The document's purpose is to download and execute a secondary payload, consistent with Qbot's typical behavior.

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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