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

Static analysis result for SHA-256 400780577345d417…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: fe303b6dbdb7f6964ca697ad88248f95 SHA-1: 9053a3f45782bf07d1aedbd84dae3e4d4f529689 SHA-256: 400780577345d417ca05b6125499c21f53477379859c541a532843a6f6b3c4e3
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as a known dropper for malicious payloads. While no specific scripts or document body content were extracted, the heuristic detection strongly suggests the file's purpose is to download and execute a secondary stage malware. The file's metadata indicates it is an older Excel document, potentially used in a targeted phishing campaign.

Heuristics 1

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