Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 a3fe5f7ca99b2527…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 05cbc90c1755ce7bcc037af6e268421b SHA-1: b26b9de4fd70628d39d8427d515c273a98c3844c SHA-256: a3fe5f7ca99b2527e1713a91347fa54f8ff12a1874506db68e4a997c3988c5cf
60 Risk Score

Malware Insights

Qbot · confidence 90%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The critical ClamAV heuristic identifies this XLSX file as a Qbot dropper, indicating its primary function is to deliver a secondary malicious payload. While no specific URLs or scripts were extracted, the detection strongly suggests a Qbot infection chain.

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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