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

Static analysis result for SHA-256 e8a5a51a6542d4c8…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 74e07cb5a58f9bcf4cf6a2582e472232 SHA-1: 999a8d6877e5a5b43c9a6481d75dc046e8a36c3e SHA-256: e8a5a51a6542d4c8519d8ac002f6d7ba48d55c4c347009d56518e3a808d3d4f9
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is an Excel spreadsheet identified by ClamAV as Xls.Dropper.QbotDocu12020-9818439-0, indicating it functions as a dropper. While no document body or scripts were extracted, the heuristic strongly suggests the file's purpose is to execute malicious code, likely through macro execution, to download and install a secondary payload. The SHA256 hash is provided as a primary IOC.

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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