Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 38c2565781eeae47…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 945df0c73da8477ba48892071142e735 SHA-1: 7f2fd05b179fa02b193e41d5448ac8dcb12cfecb SHA-256: 38c2565781eeae4700a16f1f7f23f09d522b65f32e2f1ec13415581e7d89fba2
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's a Qbot variant designed to drop further malicious content. The primary attack vector is likely social engineering to enable macros, leading to the execution of a downloader. This downloader is expected to fetch and run a second-stage payload, consistent with Qbot's typical behavior.

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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