Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 fcb8ed71f8e9085d…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 0c91381cea5c558320ea3d99cc2956e7 SHA-1: 23fff799ec4f496459809c099aeaac5667f0883a SHA-256: fcb8ed71f8e9085d9c5e894722b917a0e0ec901f31de540a7815af11e702c415
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 used for dropping malicious payloads. The detection suggests the Excel file contains malicious macros or embedded objects intended to download and execute a secondary stage. This aligns with Qbot's typical behavior of initial infection via phishing and subsequent payload delivery.

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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