ctblocker | 86325448efbd1fea5d260fe993fe640b44e604749dc479ca9b7ac1ec44607345

General

Target

86325448efbd1fea5d260fe993fe640b44e604749dc479ca9b7ac1ec44607345
Size

890KB
Sample

221127-1kf4paba84
MD5

330e1ea9e2f3ad4e0b121bc63cf0cb77
SHA1

58d7e7d8fcb338b3cae80ab108aebb8f540cd9d5
SHA256

86325448efbd1fea5d260fe993fe640b44e604749dc479ca9b7ac1ec44607345
SHA512

42ccf64dd96fff1804e0c317314a94b88b9e44a31b54eb4ddc6e23ea19d80b8a076813d0621a801604ac31a33fa1e0b3b5c4d69fa8f533e6caf2d8b1f2af0229
SSDEEP

24576:zqhcLJWZ4msH4lItbCWuG16llyBd7TSSrM+9Nb:WhQJWZ4msYS5AG16uDBI8Nb

Score

10^/10

ctblocker ransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-udoiicl.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://fizxfsi3cad3kn7v.onion.cab or http://fizxfsi3cad3kn7v.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://fizxfsi3cad3kn7v.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. LMIMXI3-3F2PY3U-MKVW6ZZ-FDOBT5X-6KSAPI3-HY4PK7Z-CHQHHI3-ZUU7YRX 4J6IDTJ-E32ZHUC-6XTPH3N-7T3DEJF-7ZUOLAQ-GWD7NOK-VZ4ACKD-DHGJ5DY VTVIWDK-QR5PFJ6-IM3YJDX-JJ2C6V3-HAR2F3X-YFH4V5N-UBGTC6L-6DRMX5G Follow the instructions on the server.

URLs

http://fizxfsi3cad3kn7v.onion.cab

http://fizxfsi3cad3kn7v.tor2web.org

http://fizxfsi3cad3kn7v.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-veithbf.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://fizxfsi3cad3kn7v.onion.cab or http://fizxfsi3cad3kn7v.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://fizxfsi3cad3kn7v.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. A6PYWRM-RJZTMBZ-4NMQWRB-JBYT6C2-ZX4ZHYP-BRQTZ4Y-QVOXWBK-R2KNAC5 B5YB5QL-FI6ESTP-226TQQJ-F5QLUXX-ZOL5QKG-JKFI5UO-Z7B7PEI-PB4S6A2 CFO7YKR-UWBLXTM-CDQ3Z6K-4DGBWZY-BLK337E-T4JKMT2-MBRPVW4-PUSY7GC Follow the instructions on the server.

URLs

http://fizxfsi3cad3kn7v.onion.cab

http://fizxfsi3cad3kn7v.tor2web.org

http://fizxfsi3cad3kn7v.onion/

Extracted

Path

C:\ProgramData\ystryfa.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://fizxfsi3cad3kn7v.onion.cab or http://fizxfsi3cad3kn7v.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://fizxfsi3cad3kn7v.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://fizxfsi3cad3kn7v.onion.cab

http://fizxfsi3cad3kn7v.tor2web.org

http://fizxfsi3cad3kn7v.onion

Targets

- Target
  
  86325448efbd1fea5d260fe993fe640b44e604749dc479ca9b7ac1ec44607345
- Size
  
  890KB
- MD5
  
  330e1ea9e2f3ad4e0b121bc63cf0cb77
- SHA1
  
  58d7e7d8fcb338b3cae80ab108aebb8f540cd9d5
- SHA256
  
  86325448efbd1fea5d260fe993fe640b44e604749dc479ca9b7ac1ec44607345
- SHA512
  
  42ccf64dd96fff1804e0c317314a94b88b9e44a31b54eb4ddc6e23ea19d80b8a076813d0621a801604ac31a33fa1e0b3b5c4d69fa8f533e6caf2d8b1f2af0229
- SSDEEP
  
  24576:zqhcLJWZ4msH4lItbCWuG16llyBd7TSSrM+9Nb:WhQJWZ4msYS5AG16uDBI8Nb
Score

10^/10

ctblocker ransomware
- CTB-Locker
  Ransomware family which uses Tor to hide its C2 communications.
  ransomware ctblocker
- 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