Analysis

  • max time kernel
    154s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 15:38

General

  • Target
    1ce5dd21fbff44289d22647277a94f2611ee661cdcab323548caa0a7082ddc7d/1ce5dd21fbff44289d22647277a94f2611e.exe
  • Size 919KB
  • Sample240101-s2944adcem
  • SHA256 1ce5dd21fbff44289d22647277a94f2611ee661cdcab323548caa0a7082ddc7d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Path
  • F:\$RECYCLE.BIN\How To Restore Your Files.txt

Ransom Note
  • !!! Your network is infected by the RTM Locker command!!! All your documents, photos, reports, customer and employee data, databases and other important files are encrypted and you cannot decrypt them yourself. They are also on our servers! But don't worry, we will help you recover all your files! The only way to recover your files is to buy our dedicated software. Only we can provide you with this software, and only we can recover your files! You can contact us by downloading and installing the TOR browser (https://www.torproject.org/download/languages/) We value our reputation. If we do not fulfill our work and obligations, no one will pay us. It's not in our interest. All of our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. ================================================= ============================================== Login link: http://3wugtklp46ufx7dnr6j5cd6ate7wnvnivsyvwuni7hqcqt7hm5r72nid.onion/1D85262A4B3F59090972E7EE7804FC641E9CBB6D65E5F4B376DF37D6180CD1/connect For authorization you need to enter your ID. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Warning!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! If you do not contact the support team within 48 hours, your data will be published in the public domain, and data compromising you will be sent to your competitors, as well as to the relevant regulatory authorities. ================================================================================================ You can also contact us at tox. You can download it here: https://tox.chat/download.html Our contact: A0FE105A82525ECB94DD2977B4A1F8A5A7CF82F12D720DD8C8D9CCA3F98B6F52D911126AC1DF ================================================================================================ DO NOT ATTEMPT TO RECOVER THE FILES YOURSELF! DO NOT MODIFY ENCRYPTED FILES! OTHERWISE YOU MAY LOSE ALL YOUR FILES FOREVER! ================================================================================================
URLs
  • http://3wugtklp46ufx7dnr6j5cd6ate7wnvnivsyvwuni7hqcqt7hm5r72nid.onion/1D85262A4B3F59090972E7EE7804FC641E9CBB6D65E5F4B376DF37D6180CD1/connect

  • https://tox.chat/download.html

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 18 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ce5dd21fbff44289d22647277a94f2611ee661cdcab323548caa0a7082ddc7d\1ce5dd21fbff44289d22647277a94f2611e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ce5dd21fbff44289d22647277a94f2611ee661cdcab323548caa0a7082ddc7d\1ce5dd21fbff44289d22647277a94f2611e.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1456
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c PING -n 5 127.0.0.1 > NUL && del "C:\Users\Admin\AppData\Local\Temp\1ce5dd21fbff44289d22647277a94f2611ee661cdcab323548caa0a7082ddc7d\1ce5dd21fbff44289d22647277a94f2611e.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\PING.EXE
          PING -n 5 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:2900
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1756
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{866BC266-E6DD-4B69-8033-7C456D240731}.xps" 133485973694170000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:4756

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            {110E73F9-E4FD-4D1B-BBD6-473CBB68FCB7}

            • Path C:\Users\Admin\AppData\Local\Temp\{110E73F9-E4FD-4D1B-BBD6-473CBB68FCB7}
            • Size 4KB
            • SHA256 cd11fb1d907a7fe591056b6f2585ca6cef475592660eadcdbfe1526a8dee6f8a
            • MD5 SHA1 SHA512 SSDEEP

            How To Restore Your Files.txt

            • Path F:\$RECYCLE.BIN\How To Restore Your Files.txt
            • Size 1KB
            • SHA256 054fe0faa37a430feea7842321374d7fc10706742f7b0b22a84aa755b22cad76
            • MD5 SHA1 SHA512

            memory/4756-444-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-440-0x00007FFA0F4B0000-0x00007FFA0F4C0000-memory.dmp

            memory/4756-436-0x00007FFA0F4B0000-0x00007FFA0F4C0000-memory.dmp

            memory/4756-439-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-438-0x00007FFA0F4B0000-0x00007FFA0F4C0000-memory.dmp

            memory/4756-441-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-435-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-443-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-442-0x00007FFA0F4B0000-0x00007FFA0F4C0000-memory.dmp

            memory/4756-437-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-445-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-448-0x00007FFA0CB50000-0x00007FFA0CB60000-memory.dmp

            memory/4756-449-0x00007FFA0CB50000-0x00007FFA0CB60000-memory.dmp

            memory/4756-434-0x00007FFA0F4B0000-0x00007FFA0F4C0000-memory.dmp

            memory/4756-467-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-468-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp

            memory/4756-472-0x00007FFA4F430000-0x00007FFA4F625000-memory.dmp