Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 3b44c49eb2d70359…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 23f2ce06110e5790268f28fa8b72fb88 SHA-1: f8785b630d78c6deafdcd590e693cb96aa0c5c7d SHA-256: 3b44c49eb2d7035920854d775e523bc9f26df862d306cd20eab868779ea25520
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1204 Malicious File Execution T1566 Phishing T1059 Command and Scripting Interpreter

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', a known Qbot variant. This heuristic strongly suggests the Excel file's purpose is to act as a dropper, likely initiating the download and execution of a malicious payload. The file's structure and detection name point towards a common Qbot distribution method.

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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