Analysis

  • max time kernel
    156s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12/02/2022, 08:47

General

  • Target

    31e5c5f88b0f009ac26393610e3e7e331c44b093e179269fe07f2cd28ba3e72c.dll

  • Size

    1.1MB

  • MD5

    fdebe604c063574d890211020d657aeb

  • SHA1

    c86e34e85af20fe5d7d0f0740ad95c58e0831538

  • SHA256

    31e5c5f88b0f009ac26393610e3e7e331c44b093e179269fe07f2cd28ba3e72c

  • SHA512

    3efebff4a7b994702a551788b0d26c11c173f12fcfe779f5d41529fb69106f510e65f6510ac10a3c54f7880191af82f041932ba143cbd3fc2a022617756b7d62

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--- XjezdRHFUimUr0tH8ArgmB2GSC70BzFRJYEeECCr4z5a0x6WoIRHtqlcNzOjkZOq ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\31e5c5f88b0f009ac26393610e3e7e331c44b093e179269fe07f2cd28ba3e72c.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\31e5c5f88b0f009ac26393610e3e7e331c44b093e179269fe07f2cd28ba3e72c.dll
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1500

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-55-0x000007FEFBD71000-0x000007FEFBD73000-memory.dmp

    Filesize

    8KB

  • memory/1500-56-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/1500-57-0x000000001004D000-0x000000001004F000-memory.dmp

    Filesize

    8KB

  • memory/1500-58-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1500-59-0x0000000010000000-0x00000000101A0000-memory.dmp

    Filesize

    1.6MB