Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 55c13ab4c81d3ea7…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a5dfdb7e2d89fd7b0a292808a3eb84a0 SHA-1: 3dfd977deeade753d745aabb81ace3e0bdcc8962 SHA-256: 55c13ab4c81d3ea7f63a3cd9ccf3021234c0560acd6b1d2439ef4969bb53f24f
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is an Excel document identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting it functions as a dropper for the Qbot malware family. The detection name implies it likely uses macro-based execution to download and run a subsequent stage. The file's structure and detection name point towards a spearphishing attachment attack vector.

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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