Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 fb59fcbe58efa8e4…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 71eacf898e61cb86a5a04f64a819282d SHA-1: e778aba0697e45c11a9b68acfc00ab89f740a1d4 SHA-256: fb59fcbe58efa8e48016ed51fb244d06ea2654f65b08ceb0063127dfa70bb24f
60 Risk Score

Malware Insights

Qbot · confidence 90%

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 it is a Qbot variant used for dropping secondary payloads. The presence of macro-related heuristics indicates it likely uses VBA to initiate the download and execution process, a common tactic for Qbot.

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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