General

  • Target
    Ransomware.TeslaCrypt.zip
  • Size 479KB
  • Sample260426-dn7z9aev6p
  • SHA256 3b246faa7e4b2a8550aa619f4da893db83721aacf62b46e5863644a5249aa87e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\HELP_TO_DECRYPT_YOUR_FILES.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://34r6hq26q2h4jkzj.tor2web.fi or http://34r6hq26q2h4jkzj.onion.cab 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://34r6hq26q2h4jkzj.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 Bitcoin address in the input form on server. Avoid missprints. 15uKAtxezmprhxkb7nCe7igxkN3F9v7sG2 Follow the instructions on the server.
Wallets
  • 15uKAtxezmprhxkb7nCe7igxkN3F9v7sG2

URLs
  • http://34r6hq26q2h4jkzj.tor2web.fi

  • http://34r6hq26q2h4jkzj.onion.cab

  • http://34r6hq26q2h4jkzj.onion/

Targets

    • Target
      3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
    • Size 284KB
    • SHA256 3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: TeslaCrypt, AlphaCrypt

      Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    • Renames multiple (4339) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Target
      51B4EF5DC9D26B7A26E214CEE90598631E2EAA67
    • Size 257KB
    • SHA256 9b462800f1bef019d7ec00098682d3ea7fc60e6721555f616399228e4e3ad122
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      E906FA3D51E86A61741B3499145A114E9BFB7C56
    • Size 261KB
    • SHA256 afaba2400552c7032a5c4c6e6151df374d0e98dc67204066281e30e6699dbd18
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks