Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 a1a832632689a203…

MALICIOUS

Office (OOXML) / .XLSX

23.6 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 4c89582fba17c9c717200e26bf0c01ef SHA-1: 3e0d2e2485d64e4a19ce95e22ed9ab84c6db217b SHA-256: a1a832632689a2031cb45fbf8e58a910f63c66df8159dc6897f0a443122c635f
60 Risk Score

Malware Insights

Qbot · confidence 95%

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

The critical ClamAV heuristic identifies the file as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating a Qbot variant. This type of dropper typically uses embedded macros to download and execute a secondary payload, aligning with the Ingress Tool Transfer (T1105) technique. The presence of macro-related heuristics suggests the use of Visual Basic for Application (T1059.005) to facilitate the malicious download.

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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