ctblocker | cdaf240960ef6c5d9b81b9843bafaa56700e8fa848dca85cb401061d22f5ec27

General

Target

cdaf240960ef6c5d9b81b9843bafaa56700e8fa848dca85cb401061d22f5ec27
Size

802KB
Sample

221128-twp3eagg26
MD5

102c9d8d99c9f453053d1f49620df11f
SHA1

47ab2f2f660832e3a38f6dee882431a5a2404729
SHA256

cdaf240960ef6c5d9b81b9843bafaa56700e8fa848dca85cb401061d22f5ec27
SHA512

adbe66cb6be6cbc082cda769caed32bd8bd8c514dfc229c54ea173385cfa4ff713b60327f550e27229732f2c1382e0038fe40c8ba16a5d0f5d44314a3a70a04e
SSDEEP

12288:FgORozerFqm6tU2L6kwt0Z9YlU+iyKAqYpBuT+ZlI4O3dRvUC8yr3e9JKjv6JfPf:FZRFxVYJL7jYlU3vAqYphHcLmwCdSRkj

Score

10^/10

ctblocker ransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-gkbiicl.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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. OEPEG4O-4HZIGZQ-QJS3R7W-PMHGQY7-YEHARX4-V6O6JSB-KSVIPTP-PEMNULO KKK2XVA-NVDVBAO-KLNVVY6-PQEC4ZN-N5CEVSM-SJWAIFI-Y4VT3AG-A53T7JQ JK237ZR-LSIYTYK-47ZSLIH-27JUMKK-2MIXMKL-JAN7FNP-QCYZAX7-DUWY4VL Follow the instructions on the server.

URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-gkbiicl.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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. OEPEG4O-4HZIGZQ-QJS3R7W-PMHGQY7-YEHARX4-V6O6JSB-KSVIPTP-PEMNULO KKK2XVA-NVDVBAO-KLNVVY6-PQEC4ZN-N5CEVSM-SJWAIFI-Y4VT3AG-A53T7JQ JK237ZR-LSIYTYK-47ZSLIH-27JUMKK-2MIX64L-FXN7FNP-QCYZAX7-DUWYOVY Follow the instructions on the server.

URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Targets

- Target
  
  cdaf240960ef6c5d9b81b9843bafaa56700e8fa848dca85cb401061d22f5ec27
- Size
  
  802KB
- MD5
  
  102c9d8d99c9f453053d1f49620df11f
- SHA1
  
  47ab2f2f660832e3a38f6dee882431a5a2404729
- SHA256
  
  cdaf240960ef6c5d9b81b9843bafaa56700e8fa848dca85cb401061d22f5ec27
- SHA512
  
  adbe66cb6be6cbc082cda769caed32bd8bd8c514dfc229c54ea173385cfa4ff713b60327f550e27229732f2c1382e0038fe40c8ba16a5d0f5d44314a3a70a04e
- SSDEEP
  
  12288:FgORozerFqm6tU2L6kwt0Z9YlU+iyKAqYpBuT+ZlI4O3dRvUC8yr3e9JKjv6JfPf:FZRFxVYJL7jYlU3vAqYphHcLmwCdSRkj
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)
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of SetThreadContext
behavioral1 behavioral2