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

Static analysis result for SHA-256 58b4d3a8ac81bccd…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 64639bb158b49370243575f3ad2fab40 SHA-1: 48cc11df96d9ca31f2b6cc72b3eac1b4e6e44e66 SHA-256: 58b4d3a8ac81bccd822f185ac19a7ddd3e9f3bc7fbef291c3311f332eca091b5
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified as a malicious Excel document by ClamAV with the signature 'Xls.Dropper.QbotDocu12020-9818439-0'. This signature suggests the file acts as a dropper, indicating its primary purpose is to download and execute a secondary malicious payload. The document's structure and the heuristic firing strongly support a phishing attack pattern where the user is tricked into opening the malicious attachment.

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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