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Final1stspy

Final1stspy is a dropper family that has been used to deliver DOGCALL.[1]

ID: S0355
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Type: MALWARE
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Platforms: Windows
Version: 1.1
Created: 31 January 2019
Last Modified: 30 March 2020
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

Final1stspy uses HTTP for C2.[1]
Enterprise T1547 .001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

Final1stspy creates a Registry Run key to establish persistence.[1]
Enterprise T1140 Deobfuscate/Decode Files or Information

Final1stspy uses Python code to deobfuscate base64-encoded strings.[1]
Enterprise T1027 Obfuscated Files or Information

Final1stspy obfuscates strings with base64 encoding.[1]
Enterprise T1057 Process Discovery

Final1stspy obtains a list of running processes.[1]
Enterprise T1082 System Information Discovery

Final1stspy obtains victim Microsoft Windows version information and CPU architecture.[1]

Groups That Use This Software

ID Name References
G0067 APT37

[1]

References

  1. Grunzweig, J. (2018, October 01). NOKKI Almost Ties the Knot with DOGCALL: Reaper Group Uses New Malware to Deploy RAT. Retrieved November 5, 2018.