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NDiskMonitor

NDiskMonitor is a custom backdoor written in .NET that appears to be unique to Patchwork. [1]

ID: S0272
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Type: MALWARE
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Platforms: Windows
Version: 1.1
Created: 17 October 2018
Last Modified: 30 March 2020
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

NDiskMonitor uses AES to encrypt certain information sent over its C2 channel.[1]
Enterprise T1083 File and Directory Discovery

NDiskMonitor can obtain a list of all files and directories as well as logical drives.[1]
Enterprise T1105 Ingress Tool Transfer

NDiskMonitor can download and execute a file from given URL.[1]
Enterprise T1082 System Information Discovery

NDiskMonitor obtains the victim computer name and encrypts the information to send over its C2 channel.[1]
Enterprise T1033 System Owner/User Discovery

NDiskMonitor obtains the victim username and encrypts the information to send over its C2 channel.[1]

Groups That Use This Software

ID Name References
G0040 Patchwork

[1]

References

  1. Lunghi, D., et al. (2017, December). Untangling the Patchwork Cyberespionage Group. Retrieved July 10, 2018.