Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 957f1a8aafd40004…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 4def47d35f4c430128d911bf45662acc SHA-1: e5fd0aafbaafe14238457fccf126d828ecf588b2 SHA-256: 957f1a8aafd40004129d1fbd8fb36e9ea3456194749ec17155c306054c66ca6e
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 primary attack pattern involves luring a user to open a malicious Excel file, which then executes a payload. While no specific VBA or script content was extracted, the heuristic detection points to a dropper functionality, likely involving the download and execution of a second-stage payload.

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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