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

Static analysis result for SHA-256 9955fc64d6fd85f9…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: a6281947e0ff4b4238ab13b618a482d0 SHA-1: e7cfc3162828c6c22ffc9d11b0c7a918ea50481c SHA-256: 9955fc64d6fd85f9df3bad83f82c5327955c0671c70d30645f9f34e8427d9120
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is an Excel document flagged by ClamAV as a dropper, indicating its primary purpose is to deliver other malware. While no specific IOCs were extracted, the heuristic strongly suggests a malicious dropper functionality. The file's age and lack of specific exploit indicators point towards a general-purpose dropper rather than a targeted exploit.

Heuristics 1

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