Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 259a4c29c02fba68…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: fd890016ff973978fddba861dc871de2 SHA-1: ba72eac84e77fa69cf1d97f2766094ae0573d783 SHA-256: 259a4c29c02fba68b9a007916c4b208e1e0a9aa30c1a123d8d11a287d78d4108
60 Risk Score

Malware Insights

Qbot · confidence 90%

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 functions as a dropper for the Qbot malware family. The detection name suggests it is designed to download and execute a secondary payload, likely leveraging macro execution within the Excel document. 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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