Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 dea51514c7e24b79…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: d351ce1176ca9cc5298cfdae2d50aaef SHA-1: 8001b0843f726dd2eaa5579c3bffcb553268eae2 SHA-256: dea51514c7e24b79bab95a0caf0a9e6467c26fb05c51dae12331118a86ca6a34
60 Risk Score

Malware Insights

Qbot · confidence 90%

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

The critical ClamAV heuristic identifies this Excel file as a Qbot dropper, indicating its purpose is to download and execute a secondary malicious payload. The file's structure and the heuristic strongly suggest a phishing attack vector, likely involving social engineering to enable macros. The Qbot family is known for its banking trojan capabilities and often uses macro-enabled documents for initial infection.

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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