Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 f3420075917db48c…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: c7a6a380ea20a6c7f7026d0d554a6ca7 SHA-1: 71c55397b3d32102943b1025ec7ae555e2a2ff1d SHA-256: f3420075917db48c62f57278721effc31db09a026272f3dc97847d7ab23093db
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: Malicious File

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it is a Qbot variant designed to deliver a secondary payload. The primary function appears to be the execution of this payload, likely through macro-based execution or exploiting a vulnerability within the Excel application itself. The SHA256 hash is included as a primary indicator of compromise.

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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