Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 ef7dabef4c740309…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: ec0e0497eac308cf87fa14d59f1e2839 SHA-1: 750192b4cb66db0b426f8d64d8a2520443aa1b98 SHA-256: ef7dabef4c74030931233c781c72a6048b02b53ee1bf7768bdd145d9fe4f4c8b
60 Risk Score

Malware Insights

Qbot · confidence 95%

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 used for dropping secondary payloads. The OOXML format and the detection name indicate a phishing attempt via a malicious Excel attachment, likely leveraging VBA macros to initiate the infection chain. Further analysis of scripts would be needed to confirm the exact execution method.

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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