Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 cff4cffee81128ca…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 9f6688bf660d9a591db9703dd5cfdd99 SHA-1: 1f5fec867ecff6ef3b44fd1bddaf907af236960b SHA-256: cff4cffee81128ca2eeebfbe49279671ee1e749266e5fe303daf8d877e6afe63
60 Risk Score

Malware Insights

Qbot · confidence 95%

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

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting it is a Qbot variant designed to act as a dropper. The primary function of such documents is to trick users into enabling macros, which then download and execute a secondary malicious payload. The SHA256 hash is included as a primary indicator.

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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