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

Static analysis result for SHA-256 550a9611c1138a1e…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 2feb339455385580be0f942790e2285e SHA-1: ab3f2e47880b6250491564b42b9ed890906a8f30 SHA-256: 550a9611c1138a1eb2ebdd880919b24fce7f56518724d4b5b81514eaa23f8edc
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The critical ClamAV heuristic identifies this XLSX file as a known dropper, specifically 'Xls.Dropper.QbotDocu12020-9818439-0'. This strongly suggests the file's primary purpose is to download and execute a secondary malicious payload, consistent with Qbot-related activity. No document body or scripts were extracted, limiting further analysis of the specific lure or 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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