ryuk

General

Target

23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2.zip
Size

196KB
Sample

240306-q1j56sdb94
MD5

fbd71fcb4de29e47e6bbdd4e4cacd566
SHA1

41ed948e07ff739df1ead048b891a5bdd171a972
SHA256

cd3f26a82be54e61868a4faa7eb7f5db44edb3c9225cc80f84ce7eb36f787821
SHA512

5574b4a45010c3f469bac4417a858f309a1d216ed9ce27f6018d8a1285d04841bb8461b32d235ae374e4859cd03d5cd7f5ae64e46313fb69e864ef60c22c371c
SSDEEP

6144:wM4sqdXSJoJFe8zDX+9XVPB+QE3HYQD0YBqDfDz2Vr:/4skSJuRrmXVPQQCYQD0YBqDar

Score

10^/10

Malware Config

Extracted

Path

F:\RyukReadMe.txt

Family

ryuk

Ransom Note

Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe

Emails

[email protected]

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

- Target
  
  23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2.exe
- Size
  
  384KB
- MD5
  
  5ac0f050f93f86e69026faea1fbb4450
- SHA1
  
  9709774fde9ec740ad6fed8ed79903296ca9d571
- SHA256
  
  23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2
- SHA512
  
  b554487c4e26a85ec5179cdcc1d25b5bc494e8821a8899fbbf868c3cf41f70cc72db107613b3f6655d3ab70f4db94cce2589066bb354b1ed955098d3911b844d
- SSDEEP
  
  6144:f5yaXtrA/WSo1rl3ALrlHQpn0BwK3SBDmhYfFQC:fTX6WSofcZ+KCIGD
Score

10^/10

ryuk persistence ransomware spyware stealer
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Modifies Installed Components in the registry
  persistence
- Deletes itself
- Drops startup file
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1