Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 85a8de4d2e79c68c…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: c1f5d3d7acfd67d5be31944a0f6e8387 SHA-1: eb2f151c9082f789c113581363ac04b0735f91f4 SHA-256: 85a8de4d2e79c68c9ab1b38cd54f6ccad1c6730ed9e2010fe4ac4bd89b33812a
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it functions as a dropper for the Qbot malware family. The presence of macro-related heuristics suggests it likely uses Visual Basic for Applications to execute its malicious payload, a common technique for Qbot delivery. The primary function appears to be the initial infection vector, leading to further stages of the attack.

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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