Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 d4128828bb7a28be…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 8367c581afc6335fad3bee36f8ac33c3 SHA-1: 79e9237a16e8bdd7d74e386559805d428fcd14b2 SHA-256: d4128828bb7a28be106f45a45399d63f3cc267fde2d2f37de6a25bbec35a2d64
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: User Execution

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot variant designed to deliver a secondary payload. The detection name suggests it functions as a dropper within an Excel document. The primary attack vector is likely spearphishing, leading the user to open the malicious attachment and execute the embedded malware.

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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