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

Static analysis result for SHA-256 33bb77999ae16c82…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: e242e6179a1b8bb0330654609fcce527 SHA-1: 624080d4de4804c63a8bcabe38372748f9010a91 SHA-256: 33bb77999ae16c825f1a8af8165df9ffcf4dd0f0e14e1f3da10d34c21918c689
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper for other malware. While no specific document body or scripts were extracted, the heuristic strongly suggests the Excel file's primary purpose is to download and execute a malicious payload. The file's age (creation date 2006) might indicate a legacy or variant of a known dropper family.

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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