Qbot — Office (OOXML) / .XLSX malware analysis

Static analysis result for SHA-256 26ff491877af71c1…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: 85289bd973e2fb4ca6afe707601cdae6 SHA-1: 1ea082149c6c0c6015d15d7f0e6d2cc70e8971c2 SHA-256: 26ff491877af71c1e339b1953ecf078e8bbd229953d9a3d0ad9bd8cd88ae02b1
60 Risk Score

Malware Insights

Qbot · confidence 95%

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

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', strongly indicating it functions as a dropper for the Qbot malware family. The Office document structure and the heuristic firing suggest it is designed to execute malicious code, likely via embedded macros, to download and run a secondary payload. This aligns with typical Qbot distribution methods.

Heuristics 1

  • ClamAV: Xls.Dropper.QbotDocu12020-9818439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.QbotDocu12020-9818439-0