Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 ef2d507b11d04e70…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: dbc6788bf12adb13aa8f5b7427d750f3 SHA-1: c46323708050277dd674c376d80f0b81c990433b SHA-256: ef2d507b11d04e70e5722a77dd4d76484ae3e3a57739dd672b184cd0b5f3ee41
60 Risk Score

Malware Insights

Qbot · confidence 95%

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

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot variant designed to act as a dropper. The primary function is to download and execute a secondary malicious payload. The presence of macro-related heuristics further supports its role as a delivery mechanism for further infection stages.

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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