ctblocker | b0577ed39fe9f9047c390a259e0c18c55396fd88a82531fc2bbe8f6b0fb078a2

General

Target

b0577ed39fe9f9047c390a259e0c18c55396fd88a82531fc2bbe8f6b0fb078a2
Size

323KB
Sample

221126-vv97maea8w
MD5

9b9bf35eedda09aa86f25333114dd1d4
SHA1

f64f3f72db97b3c9119284f7ca4d641c41805aa0
SHA256

b0577ed39fe9f9047c390a259e0c18c55396fd88a82531fc2bbe8f6b0fb078a2
SHA512

038c21a487128b61e419f9210adabe3ddca60c8c3d2474a8c0508076f452a2aa2a0a6aff1965c8633fe8befeafe0d140fc20f05d799854e4596367fe3c2667bb
SSDEEP

6144:D5tAt50415jKxZEu4ulgR/nkKmaDRZ/P/e:DnAt5PjKDLinDne

Score

10^/10

ctblocker ransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-stzhzxi.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://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. NFPK5L5-C6GM3W6-ZXURFAG-BNORYZZ-U2VGNBW-YLPEBMV-DMQRTYN-QTO2MG5 PL2ZXB2-FBESVVK-YUBQIBJ-H3M4M4H-SNRQ7DU-7USB7DH-2274MII-5TQH3L7 QDXRU36-3N6QTZQ-5PASAFV-OKRD4MZ-UOUF3VK-BI2XTNY-P2SKJAZ-I6IAWI6 Follow the instructions on the server.

URLs

http://pf5dahldauhrjxfd.onion.cab

http://pf5dahldauhrjxfd.tor2web.org

http://pf5dahldauhrjxfd.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-stzhzxi.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://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. NFPK5L5-C6GM3W6-ZXURFAG-BNORYZZ-U2VGNBW-YLPEBMV-DMQRTYN-QTO2MG5 PL2ZXB2-FBESVVK-YUBQIBJ-H3M4M4H-SNRQ7DU-7USB7DH-2274MII-5TQH3L7 QDXRU36-3N6QTZQ-5PASAFV-OKRD4MZ-UOUF2GK-LR2XTNY-P2SKJAZ-I6IQV7D Follow the instructions on the server.

URLs

http://pf5dahldauhrjxfd.onion.cab

http://pf5dahldauhrjxfd.tor2web.org

http://pf5dahldauhrjxfd.onion/

Extracted

Path

C:\ProgramData\zlwdkgg.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
  
  b0577ed39fe9f9047c390a259e0c18c55396fd88a82531fc2bbe8f6b0fb078a2
- Size
  
  323KB
- MD5
  
  9b9bf35eedda09aa86f25333114dd1d4
- SHA1
  
  f64f3f72db97b3c9119284f7ca4d641c41805aa0
- SHA256
  
  b0577ed39fe9f9047c390a259e0c18c55396fd88a82531fc2bbe8f6b0fb078a2
- SHA512
  
  038c21a487128b61e419f9210adabe3ddca60c8c3d2474a8c0508076f452a2aa2a0a6aff1965c8633fe8befeafe0d140fc20f05d799854e4596367fe3c2667bb
- SSDEEP
  
  6144:D5tAt50415jKxZEu4ulgR/nkKmaDRZ/P/e:DnAt5PjKDLinDne
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2