Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 43f81db24752a6e5…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 741c792ff3bcf21c0b6370e2d4a66745 SHA-1: 003df5bd4f89a5cc8f67d3dadaf68687513f5265 SHA-256: 43f81db24752a6e56ec33fa2a28f404cc1aa4065eb7f71ecca8eb67bcea5bdee
60 Risk Score

Malware Insights

Qbot · confidence 95%

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

The file is identified by ClamAV as Xls.Dropper.QbotDocu12020-9818439-0, strongly indicating it is a Qbot variant used for dropping malicious payloads. The primary attack vector is likely spearphishing, leading the user to open the malicious Excel file which then executes the embedded malware. The SHA256 hash is included as a primary IOC.

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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