Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 8ddfea4a98e511a5…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 1a0d7348c5485feea915e06bac2e1a47 SHA-1: 46d35b6402b53580f2eb4da3e1567dc94731dacc SHA-256: 8ddfea4a98e511a5e2eb9d5e61da52bc814eac652d6984c37122c9c2eec09cfd
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting it is a Qbot variant designed to drop additional malware. The detection name implies it functions as a dropper, likely leveraging embedded macros or other executable content within the Excel file to initiate the download and execution of a second-stage payload. The primary attack vector is likely spearphishing, with the Excel file serving as the initial attachment.

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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