Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b2d665b6b60e7220…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 8b7d3c6a61224016f853a95ca8d532ec SHA-1: 4c705fb7acf1d71d5505aa03245ccd5c52e3b894 SHA-256: b2d665b6b60e7220d380b16f31f77395532f35f924e4aadb0d015a786ff51e82
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 functions as a dropper for the Qbot malware family. The primary attack pattern involves luring the user into opening a malicious Excel file, which then executes a secondary payload. The heuristic firing is critical and directly points to the malicious nature and likely function of the document.

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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