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CALENDAR

CALENDAR is malware used by APT1 that mimics legitimate Gmail Calendar traffic. [1]

ID: S0025
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Type: MALWARE
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Platforms: Windows
Version: 1.2
Created: 31 May 2017
Last Modified: 30 March 2020
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

CALENDAR has a command to run cmd.exe to execute commands.[2]
Enterprise T1102 .002 Web Service: Bidirectional Communication

The CALENDAR malware communicates through the use of events in Google Calendar.[1][2]

Groups That Use This Software

ID Name References
G0006 APT1

[1]

References

  1. Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
  1. Mandiant. (n.d.). Appendix C (Digital) - The Malware Arsenal. Retrieved July 18, 2016.