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

Static analysis result for SHA-256 3a1ea779645400a6…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 5aed665dd22c2f7ef2b128c78f80f7ad SHA-1: 9a44fc3149521d3e40be1898c8f01191c1fcb1ad SHA-256: 3a1ea779645400a63d194a5624410f29ad53764c767672e7ce220b538fc5cf35
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. The primary purpose is to download and execute a secondary malicious payload, likely leveraging the Qbot malware family's known distribution methods. No document body or scripts were extracted, but the heuristic strongly suggests a malicious dropper functionality.

Heuristics 1

  • ClamAV: Xls.Dropper.QbotDocu12020-9818439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.QbotDocu12020-9818439-0