Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 50b4f09139b74ab5…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 588f76b75d36d854ec23a345ec703684 SHA-1: 46e73868bdc90ad29b785878717c5a8160fb3265 SHA-256: 50b4f09139b74ab591ad229d5d33a6594856efec088c9efde97cffc26652849d
60 Risk Score

Malware Insights

Qbot · confidence 95%

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly suggesting a Qbot family infection. The presence of macro-related heuristics indicates it likely uses VBA to download and execute a secondary payload, a common tactic for Qbot droppers. This functionality aligns with spearphishing attachment and command scripting interpreter techniques.

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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