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

Static analysis result for SHA-256 3b1682243e07570e…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 41b11c3987173b7bff45476f96da1a38 SHA-1: c3922354aa32babc08cd6c3fd10efbf7fcf81092 SHA-256: 3b1682243e07570e20b60aa96438001e6c028539dfb08b5a5a952c808279e528
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is identified by ClamAV as a known dropper for Qbot malware. While no specific VBA or script content was extracted, the heuristic strongly suggests the Excel file's purpose is to download and execute a malicious payload. The file's metadata indicates it was authored by Microsoft Excel, a common vector for macro-based malware delivery.

Heuristics 1

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