General

  • Target
    6363b3bab3526372ad619ec540fb8588.exe
  • Size 817KB
  • Sample210527-5d2gddp8fe
  • SHA256 f88fe1b342fccf45f31b05388bbb7398da0f175ba15bf6f1d7ae367ef41aa200
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\_readme.txt

Ransom Note
  • ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-IMhsjaUZQE Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0299ewgfDdMVRPbSnFtySupDwbPHDki6lHhdaU8yRerXrXB00l
URLs
  • https://we.tl/t-IMhsjaUZQE

Extracted

Family
  • raccoon

Botnet
  • 1d76a465540f6a904ac9f1310fe3a3824b5b4549

Attributes
  • url4cnc

    https://tttttt.me/kokajakprozak

rc4.plain
rc4.plain

Targets

    • Target
      6363b3bab3526372ad619ec540fb8588.exe
    • Size 817KB
    • SHA256 f88fe1b342fccf45f31b05388bbb7398da0f175ba15bf6f1d7ae367ef41aa200
    • MD5 SHA1 SHA512
    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks