General
- Target 240304-vnxmysgg24_pw_infected.zip
- Size 89KB
- Sample250128-x6bjjsyphy
- SHA256 8b757a5c244ebda280fcf7eeedb5137809d31a6e0ae09bce13cb6c20ec4163f3
- MD5 3f34f76b71276b18f415bb3a3d989c43
- SHA1 21bdeff55713432a9b4068f0d2f00dd44ac2a9da
- SHA512 c17ae895d6dc70f83973600765de599c81f191eb10b674ddd45ca2cad59e5e7bcf30e1e9493214a5653701d121e0b3c7254a838b6e873026e4cfcd19da7ea3da
- SSDEEP 1536:jRcNCjAeNAGcUcBfXrab1MQiYxWnxQt+hLFAlK0WE5Q4+etT/yj4lu+Fc1MvBDfs:9cEqGXcdab1jx4OAhWTcZQZv9s
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8.exe
Resource
win10v2004-20241007-es
15 signatures
300 seconds
Behavioral task
behavioral2
Sample
0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8.exe
Resource
win7-20240708-es
14 signatures
300 seconds
Malware Config
Extracted
Path
-
F:\RyukReadMe.txt
-
ryuk
Ransom Note
- Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe
Targets
-
- Target 0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8
- Size 212KB
- SHA256 0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8
- MD5 9951b7f5344d5d0e6728f90c1ffd0a3f
- SHA1 5252a37cc0c4171f6261fbcc418d4fca83f0a543
- SHA512 2ce934dbeb9888e8125856d0158f23a6c5d007a55f9d71287e308bcf312674642496a1f2aadfe276361b5c4945e37a5c3edde3be83dbdb8d531123fb2335f50f
- SSDEEP 3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvQ:ZEECCElQk3wqFQ
- MD5 SHA1 SHA512 SSDEEP
Score10/10Ryuk family
Renames multiple (5807) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Drops desktop.ini file(s)