Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 dfb23fc3aa8201a9…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 5d560281ffb8ab525d0d9ee2d5547820 SHA-1: db66bf6fd1835374242959a3ce5ced81741bf3b3 SHA-256: dfb23fc3aa8201a95111ad86825944dfc83c8845dd88c4eff50bceeaa5d4aadc
60 Risk Score

Malware Insights

Qbot · confidence 85%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The primary indicator is the ClamAV heuristic firing, identifying the file as 'Xls.Dropper.QbotDocu12020-9818439-0'. This strongly suggests the Excel file's purpose is to act as a dropper for the Qbot banking trojan, likely by executing malicious macros or embedded objects to download and run a secondary payload. No further IOCs were extracted from the provided evidence.

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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