ctblocker | 75b22b4ad62ae7c446d97bef05e57852fac262844963b49b2fea3ab197dacf6e

General

Target

JaffaCakes118_678d3c068832953f7adc0abdc538e320
Size

815KB
Sample

250102-xw4scavndn
MD5

678d3c068832953f7adc0abdc538e320
SHA1

f3283eada70ba0362e9617706272f83f0524b7a1
SHA256

75b22b4ad62ae7c446d97bef05e57852fac262844963b49b2fea3ab197dacf6e
SHA512

9658c0ab87f96210d6cce95a1f7fcf6cfa3fff4264603bd80a0db567e42506e7a20ec7f39d21b734b4eba9b4b396bd9a140de495e73e39939f30b5b551770ba6
SSDEEP

12288:XGKVawDC8239wUoGtTvtcAEvNThLDlB1l4TcPPN9vegW37blQ06QOtG6aZQx:2KV6tt/Xa3hhLz1l4TK27rblQHQOt7x

Score

10^/10

Malware Config

Extracted

Path

C:\ProgramData\eevbedb.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://pf5dahldauhrjxfd.onion.cab or http://pf5dahldauhrjxfd.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://pf5dahldauhrjxfd.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://pf5dahldauhrjxfd.onion.cab

http://pf5dahldauhrjxfd.tor2web.org

http://pf5dahldauhrjxfd.onion

Targets

- Target
  
  JaffaCakes118_678d3c068832953f7adc0abdc538e320
- Size
  
  815KB
- MD5
  
  678d3c068832953f7adc0abdc538e320
- SHA1
  
  f3283eada70ba0362e9617706272f83f0524b7a1
- SHA256
  
  75b22b4ad62ae7c446d97bef05e57852fac262844963b49b2fea3ab197dacf6e
- SHA512
  
  9658c0ab87f96210d6cce95a1f7fcf6cfa3fff4264603bd80a0db567e42506e7a20ec7f39d21b734b4eba9b4b396bd9a140de495e73e39939f30b5b551770ba6
- SSDEEP
  
  12288:XGKVawDC8239wUoGtTvtcAEvNThLDlB1l4TcPPN9vegW37blQ06QOtG6aZQx:2KV6tt/Xa3hhLz1l4TK27rblQHQOt7x
Score

10^/10

ctblocker defense_evasion discovery execution impact ransomware
- CTB-Locker
  Ransomware family which uses Tor to hide its C2 communications.
  ransomware ctblocker
- Ctblocker family
  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