Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 bfb4dd6fb9f44089…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 85135dae108818609ad67a48d9aecb38 SHA-1: 6938629be565cce072e3b2499675dbf95042e5a9 SHA-256: bfb4dd6fb9f44089347be9505536b1f9a2641d518cf165519c3d55d4be54d435
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The critical ClamAV heuristic identifies this Excel file as a Qbot dropper. The file's metadata indicates it is an older Excel document, likely used as a lure to deliver a malicious payload. The primary function is to download and execute a secondary stage, 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