ctblocker | 9005436ea8f7c0dede260d1b249540c94a02431afe4d26956b4199705577ea62

General

Target

39c0e005cd2892a7b315081f9db6dc37_JaffaCakes118
Size

742KB
Sample

241012-njpcfssejn
MD5

39c0e005cd2892a7b315081f9db6dc37
SHA1

e9c2dda548ca0f53939d8bbf9228a92977964341
SHA256

9005436ea8f7c0dede260d1b249540c94a02431afe4d26956b4199705577ea62
SHA512

e5b258b62685152ba0387a280a27957c6cd78848d31a7cd65089c0c8dbd0d59d65089f702fe0dd8e759a27c2974219f9c170ba67c6457a4725a8b09dc69ce77e
SSDEEP

12288:T2359uMww1bLO6ejFn8KL8XdChu/FiMZgi7hLEsOYt4ZmwjHCmac95RDOqruN2mE:S5p126wFn8KL8tz4MZHVLJtimSimHROY

Score

10^/10

Malware Config

Extracted

Path

C:\ProgramData\xzhmwel.html

Ransom Note

Your documents, photos, databases and other important files have been encrypted with strongest encryption and unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. If you see the main locker window, follow the instructions on the locker. Overwise, it's seems that you or your antivirus deleted the locker program. Now you have the last chance to decrypt your files. Open http://fizxfsi3cad3kn7v.onion.cab or http://fizxfsi3cad3kn7v.tor2web.org in your browser. They are public gates to the secret server. If you have problems with gates, use direct connection: 1. Download Tor Browser from http://torproject.org. 2. In the Tor Browser open the http://fizxfsi3cad3kn7v.onion Note that this server is available via Tor Browser only. Retry in 1 hour if site is not reachable. Copy and paste the following public key in the input form on server. Avoid missprints. Follow the instructions on the server. The list of your encrypted files: Path File

URLs

http://fizxfsi3cad3kn7v.onion.cab

http://fizxfsi3cad3kn7v.tor2web.org

http://fizxfsi3cad3kn7v.onion

Targets

- Target
  
  39c0e005cd2892a7b315081f9db6dc37_JaffaCakes118
- Size
  
  742KB
- MD5
  
  39c0e005cd2892a7b315081f9db6dc37
- SHA1
  
  e9c2dda548ca0f53939d8bbf9228a92977964341
- SHA256
  
  9005436ea8f7c0dede260d1b249540c94a02431afe4d26956b4199705577ea62
- SHA512
  
  e5b258b62685152ba0387a280a27957c6cd78848d31a7cd65089c0c8dbd0d59d65089f702fe0dd8e759a27c2974219f9c170ba67c6457a4725a8b09dc69ce77e
- SSDEEP
  
  12288:T2359uMww1bLO6ejFn8KL8XdChu/FiMZgi7hLEsOYt4ZmwjHCmac95RDOqruN2mE:S5p126wFn8KL8tz4MZHVLJtimSimHROY
Score

10^/10

ctblocker defense_evasion discovery execution impact ransomware
- CTB-Locker
  Ransomware family which uses Tor to hide its C2 communications.
  ransomware ctblocker
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2