Malicious Office (OOXML) / .XLSX — malware analysis report

Static analysis result for SHA-256 91797917b11fff60…

MALICIOUS

Office (OOXML) / .XLSX

21.4 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: b630da9ca74b2aee7acfff1adce68bb7 SHA-1: 6486ed7793e86e3d94018f8401397d8ae799c022 SHA-256: 91797917b11fff604262e0c233941efd9bc30e62d2fa1e520f03e2e1a0c077f4
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment

The file is identified by ClamAV as a known dropper, indicating its primary function is to deliver other malware. While no specific document body or scripts were extracted, the heuristic strongly suggests a malicious intent to download and execute a payload. The file's metadata indicates it is an older Excel document, potentially used for initial access.

Heuristics 1

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