Sage 2.0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
Ransomware Family
Sage 2.0
First Seen
January 1, 2017
How Sage 2.0 Ransomware Works
Targeted Files
https://www.hybrid-analysis.com/sample/a37108a8960fcee98058261486a15ab2d8680844513ba60f266185b9d3d7d981?environmentId=100
8f1374b432fa7580397e57949b32044e89663215e71ad0252638875a61908323 -> req C&C (can be emulated with FakeNet)
File Encryption Patterns
Sage 2.0 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..sage
Ransom Note and Payment Demands
After encrypting files, Sage 2.0 displays ransom notes demanding payment for file recovery:
file!HELP_SOS.hta
Ransom message:
notes/!HELP_SOS.hta
Note locations:
EveryFolder
file/^!Recovery_[A-Za-z]{3}\.html$/
Ransom message:
notes/!Recovery_DQv.html
Note locations:
EveryFolder
screenshot
Ransom message:
notes/dbE.png
Note locations:
Desktop
screenshot
Ransom message:
notes/d1T.png
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Sage 2.0 ransomware:
This Sage 2.0 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Sage 2.0.