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November 29, 2021
Severity
High
Analysis Summary
SNAKE ransomware is targeting networks and aiming to encrypt all of the devices connected to them. The ransomware contains a level of routine obfuscation not previously and typically seen coupled with the targeted approach. When started Snake will remove the computer’s Shadow Volume Copies and then kill numerous processes related to SCADA systems, virtual machines, industrial control systems, remote management tools, network management software, and more. It then proceeds to encrypt the files on the device, while skipping any that are located in Windows system folders and various system files. When encrypting a file it will append a ransom 5 character string to the files extension. For example, a file named 1.doc will be encrypted and renamed like 1.docqkWbv.F
Impact
- File Encryption
Indicators of Compromise
MD5
- 8002d2955c54fc20b59d024cabd5b3a8
- a5fcf5261f4b435bed88c35c3fff8b6d
SHA-256
- 88e2c2008677873b961b570b59ceb62ba6f651c0d1d5787e072d9bdf2cdaaa33
- 64856436723994f4f26b7046359ae21298201aabe519c9041c374b508c0abc16
SHA-1
- 3648a661ddb3fdb9510af5970c3178be5871622e
- 5a6711348740dd461b81609558baa4a443037134
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment