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

Static analysis result for SHA-256 2c3866341e722103…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: e35c4839cc5723d9cafbb7159b3d8a0f SHA-1: 28957d2a100dd8e0ffbb0f766e0336fc66bfdc8f SHA-256: 2c3866341e722103ea67c5456126b210f523ad3891ff706ed1faa776a222aacf
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File Execution

The file is an Excel document flagged by ClamAV as a known dropper for Qbot. While no specific malicious content like VBA or URLs were extracted, the heuristic detection strongly suggests its purpose is to download and execute a secondary payload, characteristic of Qbot distribution methods.

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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