Malicious Office (OOXML) / .XLSX — malware analysis report

Static analysis result for SHA-256 81a1c7345c89f041…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a384732299c8e4124cce8b09aba1b439 SHA-1: f390a99a5becf6f0a14c78194c018d4fae5db96b SHA-256: 81a1c7345c89f04139fc0d1d4546ca8dcdc1c72ffde3c4cb734ddc60db544a66
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is an Excel document identified by ClamAV as a Qbot dropper. While no specific malicious content like VBA or scripts was extracted, the detection suggests it's intended to download and execute a secondary payload, likely Qbot malware, upon user interaction such as enabling macros.

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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