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

Static analysis result for SHA-256 7f3bc22dd57a32e1…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 43c0cf0b5f10c0aa2abc85edd91de0be SHA-1: b749c48809c56cf307fe8c95870eedc72e83f70c SHA-256: 7f3bc22dd57a32e1613b93bbc8710bdefce1e2a6ed23e267798188c370d529ae
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as a known dropper for Qbot malware. While no specific VBA or script content was extracted, the heuristic strongly suggests the Excel file contains malicious macros intended to download and execute a secondary payload, a common tactic for Qbot distribution.

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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