ctblocker | 7ab006f651a322f3e0a931b4c996ab6a0376848fcf2b105aa60ad1f0509cf11e

General

Target

ceaaeb1712019d430836876402e557e0_JaffaCakes118
Size

714KB
Sample

241206-yatwpatkg1
MD5

ceaaeb1712019d430836876402e557e0
SHA1

2ab07d22fd77078e77aa3a635ad9d16f7b6a7fb1
SHA256

7ab006f651a322f3e0a931b4c996ab6a0376848fcf2b105aa60ad1f0509cf11e
SHA512

4923abc558f63f1c995592c08071fafbc7d6bdc9d45ad6ab1039bf929a5a4cb1396aaff1d334ecf8f27b1f6bdb313bf7f40996acb3bd6b2d86a9ca91d8bc7b4c
SSDEEP

12288:bE21sNQUTjzo7nFcC6V0Wu+vvg7yXru6O55IENgC2QUT0uDYyuXdNfkd9R4au:JsNnD6evI7yb7MIabC0uh4dJQe

Score

10^/10

Malware Config

Extracted

Path

C:\ProgramData\ilimarf.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://43qzvceo6ondd6wt.onion.cab or http://43qzvceo6ondd6wt.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://43qzvceo6ondd6wt.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://43qzvceo6ondd6wt.onion.cab

http://43qzvceo6ondd6wt.tor2web.org

http://43qzvceo6ondd6wt.onion

Targets

- Target
  
  ceaaeb1712019d430836876402e557e0_JaffaCakes118
- Size
  
  714KB
- MD5
  
  ceaaeb1712019d430836876402e557e0
- SHA1
  
  2ab07d22fd77078e77aa3a635ad9d16f7b6a7fb1
- SHA256
  
  7ab006f651a322f3e0a931b4c996ab6a0376848fcf2b105aa60ad1f0509cf11e
- SHA512
  
  4923abc558f63f1c995592c08071fafbc7d6bdc9d45ad6ab1039bf929a5a4cb1396aaff1d334ecf8f27b1f6bdb313bf7f40996acb3bd6b2d86a9ca91d8bc7b4c
- SSDEEP
  
  12288:bE21sNQUTjzo7nFcC6V0Wu+vvg7yXru6O55IENgC2QUT0uDYyuXdNfkd9R4au:JsNnD6evI7yb7MIabC0uh4dJQe
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
- Loads dropped DLL
- 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
- Suspicious use of SetThreadContext
behavioral1 behavioral2