Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b2b8a6fbeb025c03…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 6ca60219bb5200ce2f7471f4db04f683 SHA-1: e306f529c2ed7c6ad5ff7ddcd6e093398b0ce41d SHA-256: b2b8a6fbeb025c03f5e5fd031fe2601a696c7849e98c97eed40f9b7b4c969960
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's a Qbot variant designed to deliver a secondary payload. The detection name suggests it functions as a dropper, likely leveraging embedded macros or exploits within the Excel file to achieve initial execution and download further malicious components. This aligns with common Qbot distribution tactics.

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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