Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b9c1220e31601343…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: af391064d98373d2e7cdba69c259a1b8 SHA-1: e280f6de3e8d39d9c2e5e7cf06cfba337283c621 SHA-256: b9c1220e31601343c71211a94332a356906d68871d8215895a61b6315606477b
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 suggesting it is a Qbot variant. The primary function appears to be acting as a dropper, leveraging embedded macros to download and execute a secondary payload. The presence of macro-related heuristics 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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