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

Static analysis result for SHA-256 30add9af3701d153…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: ec623ae4b59a93b9c936b86e40be88b8 SHA-1: 77a877a65e02aace9e0a7781eea7e85fdbdfc329 SHA-256: 30add9af3701d15362eebced718eb4acbddcaa59cfb923402ec2952100a9c029
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 suggests the initial infection vector involves exploiting macro execution within the Excel document. While no specific URLs or scripts were extracted, the ClamAV signature strongly points to a Qbot-related dropper.

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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