Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 45d63458a9f9eb75…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 5557c683d6b93104051f82cb85acc97f SHA-1: e50f58cf18abc7b464a6f936c9673fd48806bbb1 SHA-256: 45d63458a9f9eb752b7d2ee3fc9d77e69a423fb823b540078bb84786b6fbab0c
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 dropper. The heuristic firing suggests the Excel document's primary purpose is to download and execute a secondary payload, consistent with Qbot's typical behavior. The file's metadata indicates it is an older Excel file, potentially used for legacy compatibility or to evade newer detection mechanisms.

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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