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

Static analysis result for SHA-256 a8ff6737d758d032…

MALICIOUS

Office (OOXML) / .XLSX

29.5 KB Created: 2006-09-16 00:00:00 UTC Authoring application: Microsoft Excel 14.0300
MD5: fcf0f6dbf2619746664190aa0a7b7c1f SHA-1: c0d6e6f18f6841abbff5d73403172d81f5dde4b2 SHA-256: a8ff6737d758d032efc9f60c1cfd4f378734e77051492e754a2bb474bf2a2cef
60 Risk Score

Malware Insights

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

The file is identified by ClamAV as 'Xls.Dropper.QbotDocu12020-9818439-0', indicating it functions as a dropper for a secondary payload. The document's structure and the heuristic firing strongly suggest it's intended to be delivered as a malicious attachment, likely relying on user interaction to execute the dropped malware. No document body or scripts were extracted, limiting further analysis of the specific lure or execution method.

Heuristics 1

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