Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 9c31f81b0c5bd48e…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: f4ee7e5c8e2cb5f582512b8ae9baff3e SHA-1: a915ed2591b0a921faa8e0b842123d42117af5e9 SHA-256: 9c31f81b0c5bd48e2fc23c1c9ae373e96573749b8d6ebae71b310b3272e31dbc
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified as a malicious Excel document by ClamAV, specifically flagged as 'Xls.Dropper.QbotDocu12020-9818439-0'. This detection strongly suggests it functions as a dropper for the Qbot banking trojan, likely delivered via a spearphishing attachment. The primary attack pattern involves tricking the user into opening the malicious Excel file to initiate the infection chain.

Heuristics 1

  • ClamAV: Xls.Dropper.QbotDocu12020-9818439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.QbotDocu12020-9818439-0