Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    11-11-2021 21:01

General

  • Target

    JAFTEXx86.dll

  • Size

    190KB

  • MD5

    24819ec6a4f57ac3d84538d1b2f422cd

  • SHA1

    2c1ca712d5c1f0920d13208796975afc01ce6b81

  • SHA256

    e043dea504d025f18f406d9649b64498338f3330ab9cf30e4efe9c0c2c0231df

  • SHA512

    b8720879eff6529a80bc86d6f763561e214c2e4bcd5aacd028d316ef6254c1e584c42afd05d9b7139f21a0ad1c3528dc189898ae37735686ad564ba4ae825214

Score
10/10

Malware Config

Extracted

Path

C:\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.ws YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- DeKqFnPwRxx9InxLeeIrMqt6v0jlmwGjVMbxb03sbKo17muEWYbvUWYHwvhVRBeA ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 46 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JAFTEXx86.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JAFTEXx86.dll
      2⤵
      • Modifies extensions of user files
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:996

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/360-55-0x000007FEFC511000-0x000007FEFC513000-memory.dmp
    Filesize

    8KB

  • memory/996-56-0x0000000000000000-mapping.dmp
  • memory/996-57-0x0000000076171000-0x0000000076173000-memory.dmp
    Filesize

    8KB