Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 bff5078ada8e5755…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 7c8662689758adac46c075f639e898f8 SHA-1: 3bd95fef334a43b70d8e5f4000411437b54d7ddc SHA-256: bff5078ada8e5755276c5ea68dd0032d14ed15e8ad341603f66f897bfebb41ef
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 relies on social engineering to trick the user into enabling macros, which then execute the malicious payload. The primary function is to download and run a secondary stage, consistent with Qbot's known behavior.

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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