Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 27fd538f7b0e76ad…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: b6f2ada43e3d0adfda76c70383148d51 SHA-1: 6f913e2a043d241bd39830c3bafb91b820f91f26 SHA-256: 27fd538f7b0e76ad9279728631a6c13478f8b3c70a9317cbba53247afa7fddf4
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it's a Qbot dropper. The nature of a dropper is to download and execute a secondary payload, which aligns with the Ingress Tool Transfer (T1105) technique. Given its Office format and malicious intent, it's likely delivered via Spearphishing Attachment (T1566.002).

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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