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

Static analysis result for SHA-256 23a7305581286e82…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 019a819f8e95db2bec703ad3a64ba1dd SHA-1: 9662050528e82294c87de30d698d91af4d311163 SHA-256: 23a7305581286e823e4aa0582b65c2c392fd0ee2f3425dc9024ea54f961d8429
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. While no VBA scripts were explicitly extracted, the heuristic suggests macro-based execution is intended. The primary attack pattern involves tricking the user into enabling macros to download and execute a further stage of malware.

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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