Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 a8f491ac3dcba514…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 78293d63b965b4e137cdea8ab92c9e70 SHA-1: 1eb70acc5f730012d85aa9f5fd0dd2e751af9cf8 SHA-256: a8f491ac3dcba5149c442f294449003528e92ee4e7d66f2c8ebca51ac8c0b926
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 presence of macro-related heuristics suggests the initial execution vector involves enabling macros within the Excel document to trigger the malicious code. This aligns with common Qbot distribution methods.

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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