Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 cf8f40057d2ee9fe…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 43349c80a97f1fc8c8a66475ca3f7df7 SHA-1: 4a0eca7b854e8c4efa358ba26ba96535e4a385af SHA-256: cf8f40057d2ee9fe0c1220ea9a1ea22ca7b402a69681a778999c44a439c5e47d
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it is a Qbot variant designed to drop a secondary payload. The Office (OOXML) file type suggests it was delivered as an attachment, likely via spearphishing. The primary IOC is the file's SHA256 hash.

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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