Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 b3b3a68a0a600514…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 8219c142c38929261b40496626a017f5 SHA-1: ba2f02eb782744a0c354d56b1eb9f2b10119a032 SHA-256: b3b3a68a0a6005140c57fe09e5b1f36fb0049aa7ce922a1e5e58b130e46fc271
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 a Qbot family dropper. The heuristic indicates it's designed to drop a payload, likely through macro execution, which is a common Qbot delivery method. The lack of document body or script content necessitates relying on the heuristic for the attack pattern and rationale.

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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