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

Static analysis result for SHA-256 42e3ab0667858366…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a04c3386a935004f01573057f15d382a SHA-1: 17f734ab37d504fb842d9ee1a2325d35eed9ff77 SHA-256: 42e3ab0667858366cd0e3d85ddfbf26c0a3d498d64430a432939ce328bd43c56
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is an Excel document flagged by ClamAV as a known dropper for Qbot. While no specific malicious content like scripts or URLs were extracted, the heuristic detection strongly suggests it's intended to download and execute a secondary payload. The presence of the Qbot signature indicates a high likelihood of it being part of a broader malware distribution campaign.

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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