Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 357c86036b58c05c…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 62db81b67c4e8fa52fb7c5f07ad30653 SHA-1: 575cd8f336cbf1a6c4c44e4bf0f7ceda3efce74a SHA-256: 357c86036b58c05c9d8ebdde57a39865886fbc3d856e6ff2e77ff6625cf2709c
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The critical ClamAV heuristic directly identifies the file as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting it is a Qbot variant designed to drop a malicious payload. The file type is an Excel spreadsheet, a common delivery mechanism for macro-based malware. The absence of document body text or scripts means the primary evidence is the heuristic detection.

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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