ctblocker | 6ce78b597a3e693e58b3fee9ee9b549991d071d6e7928f817d69e299048d9495

General

Target

6ce78b597a3e693e58b3fee9ee9b549991d071d6e7928f817d69e299048d9495
Size

743KB
Sample

221003-1vtgrshcem
MD5

69eb41d973e7c96fe47c381320dfd140
SHA1

e45c2f5e2f74c35beb1a019b708573155f5a17a1
SHA256

6ce78b597a3e693e58b3fee9ee9b549991d071d6e7928f817d69e299048d9495
SHA512

5b4a8bf698640d7a25b9b6bdf1b9d73e9c99593c307c2f416b07bc1e9ea70091327cd6afcd5f5717a7f0160c1a46832d79ff4b1e4d1a45113f3f6d986fa88b52
SSDEEP

12288:zogZILd4+csZJQNtUbu+jlkB9XwN6qZvbU5+fXKQbX48KfVko93LYtZtq:zog84MJyUqXwjZvc+fa0Kfzos

Score

10^/10

ctblocker ransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-chldicl.txt

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://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.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://jssestaew3e7ao3q.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. DLCWUVP-2JDG2RV-E5JX323-JVS22YN-LK7CLUE-JSDBFXI-BCC4YOK-SSCADGZ RYFXYWF-UDPKLYW-2GUDTPN-P5UXNYI-E6GOZQG-U3GHNPF-3ERNJCJ-S7VDRQZ TGJDVQW-CXYIC64-PGX5A2S-EVXU2NS-FQQ43YP-PQT6D52-NBJ5FDW-FGJGSTT Follow the instructions on the server.

URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-chldicl.txt

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://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.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://jssestaew3e7ao3q.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. DLCWUVP-2JDG2RV-E5JX323-JVS22YN-LK7CLUE-JSDBFXI-BCC4YOK-SSCADGZ RYFXYWF-UDPKLYW-2GUDTPN-P5UXNYI-E6GOZQG-U3GHNPF-3ERNJCJ-S7VDRQZ TGJDVQW-CXYIC64-PGX5A2S-EVXU2NS-FQQ45LP-TJT6D52-NBJ5FDW-FGJWGIC Follow the instructions on the server.

URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-grqyird.txt

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://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.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://jssestaew3e7ao3q.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. AEZMUF7-UTMQA3L-AY5CCSZ-VUDUUHN-BEN3IE5-T3KQNMQ-WNW4LV2-FXKORKV DF77HPP-SV4O2EZ-UGAM4H2-C7N322Q-OCGQBKY-X3VFIEP-CQUQ2OE-NI46J2B MI6SRQX-XYYGXS6-CS3E3V4-H6S3TIO-EDYCS5W-5Q42NLW-LNBRGSM-RRHJRZJ Follow the instructions on the server.

URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Targets

- Target
  
  6ce78b597a3e693e58b3fee9ee9b549991d071d6e7928f817d69e299048d9495
- Size
  
  743KB
- MD5
  
  69eb41d973e7c96fe47c381320dfd140
- SHA1
  
  e45c2f5e2f74c35beb1a019b708573155f5a17a1
- SHA256
  
  6ce78b597a3e693e58b3fee9ee9b549991d071d6e7928f817d69e299048d9495
- SHA512
  
  5b4a8bf698640d7a25b9b6bdf1b9d73e9c99593c307c2f416b07bc1e9ea70091327cd6afcd5f5717a7f0160c1a46832d79ff4b1e4d1a45113f3f6d986fa88b52
- SSDEEP
  
  12288:zogZILd4+csZJQNtUbu+jlkB9XwN6qZvbU5+fXKQbX48KfVko93LYtZtq:zog84MJyUqXwjZvc+fa0Kfzos
Score

10^/10

ctblocker 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
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of SetThreadContext
behavioral1 behavioral2