Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 98a8d74c08903a2a…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: c291e88ee35e86c757eee1f43c087b99 SHA-1: 438c52b979962d21635d86f380e4434a41bd9ff1 SHA-256: 98a8d74c08903a2af41a141c566f355a5aef1cac7f8f477fd9af87c70a481549
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 the user into opening a malicious Excel file, which then likely executes embedded malicious code to download and run a secondary payload. This aligns with common Qbot distribution methods.

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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