Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 4fe4f309afe93452…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: b0137be8328896e77a5f6edd345fb558 SHA-1: ff45df293f2b9d6ab2347d1b3776a0f6cd627772 SHA-256: 4fe4f309afe93452bbe37105235b90c1ed22c1a40e8502a50596776b6872ea7e
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 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 script content was extracted, the heuristic firing suggests the file's purpose is to download and execute a secondary stage.

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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