Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 3c8945935187d486…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 3c627bc8f9742c21d2efd0f12b9be13e SHA-1: ea0791691c5f7bfd2feaa3ef72537011814a45c0 SHA-256: 3c8945935187d486316d8f5dc5760f3fff86c57b65b5a3ff32628a5a09d01c87
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File Execution: Malicious File

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it is a Qbot dropper. This type of document typically uses macros to download and execute the main Qbot payload, making it a form of spearphishing attachment. The primary IOC is the ClamAV detection name itself, which often includes family and variant information.

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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