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

Static analysis result for SHA-256 b3e87f86b4221b20…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: b8524b941348ff6efe43a9b6a20b03c4 SHA-1: c7d461c0ac83b1f9211457bddcf3bd4a0ecc1894 SHA-256: b3e87f86b4221b20e90d6d7e444f94d62bfcf118e2aae747d01f2938b35125e6
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is an Excel spreadsheet identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper. The primary attack pattern involves tricking the user into enabling macros, which is a common initial access vector for malware. While no specific script content was provided, the heuristic strongly suggests the file's purpose is to download and execute a secondary payload, likely Qbot.

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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