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

Static analysis result for SHA-256 91df8fcd53ec40e7…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 18fc20d08043795f7ca691fcf6e3448e SHA-1: f020bb8cfaf400e3dbd4905c741f8553c112ff7b SHA-256: 91df8fcd53ec40e7a3694292b59d8fa8680ea530d5cd257c5f6bcc8274a59d44
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified by ClamAV as a Qbot dropper, indicating its purpose is to download and execute a secondary malicious payload. The presence of macro-related heuristics strongly suggests the execution of embedded VBA code to facilitate this download and execution process.

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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