Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 40c3a4fd44996d0f…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 8988784f0c9d52e73589c2db4c285b8a SHA-1: 397e632d95db24083a4066602f1a9eb9dba33bfb SHA-256: 40c3a4fd44996d0fa3ce8f3ba44bae8669c048ae3f2471cae1b3fc6fde2cbee9
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file was detected by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper for the Qbot malware family. This type of file typically uses embedded macros to download and execute a secondary payload from a remote source. The presence of macro-related heuristics strongly supports this attack pattern.

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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