Resubmissions

18/09/2026, 14:18

260918-rmhkvsxtes10

22/08/2026, 10:50

260822-mxk2hseg8810

22/08/2026, 10:36

260822-mnhj2axybz10

01/08/2026, 21:00

260801-zts9yaxwfs

04/07/2026, 18:23

260704-w1vvkafw7r5

04/07/2026, 18:21

260704-wzqjfsfw2q10

Analysis

  • user interaction
    yes
  • max time kernel
    252s
  • max time network
    255s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/09/2026, 14:18

General

  • Target
    NotPetya.dll
  • Size 353KB
  • Sample260918-rmhkvsxtes
  • SHA256 027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies data under HKEY_USERS 7 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NotPetya.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NotPetya.dll,#1
      2⤵
      • Deletes itself
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4804
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 16:21
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4716
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 16:21
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4644
      • C:\Users\Admin\AppData\Local\Temp\6B33.tmp
        "C:\Users\Admin\AppData\Local\Temp\6B33.tmp" \\.\pipe\{5DCF261E-34FD-4025-8508-FD969A5EA965}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5700
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2576
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3168
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
      1⤵
        PID:3352
      • C:\Windows\system32\SystemSettingsAdminFlows.exe
        "C:\Windows\system32\SystemSettingsAdminFlows.exe" StorageAdminHelper
        1⤵
          PID:5776
        • C:\Windows\system32\sudo.exe
          "C:\Windows\system32\sudo.exe" config --enable forceNewWindow
          1⤵
            PID:5856
          • C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe
            "C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe" -ServerName:SecHealthUI.AppX8tam42xc7v2czs3s1nt0nkxvfjtepzp9.mca
            1⤵
            • Suspicious use of SetWindowsHookEx
            PID:1964
          • C:\Windows\System32\SecurityHealthHost.exe
            \\?\C:\Windows\System32\SecurityHealthHost.exe {E041C90B-68BA-42C9-991E-477B73A75C90} -Embedding
            1⤵
              PID:4488
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k WbioSvcGroup -s WbioSrvc
              1⤵
              • Drops file in System32 directory
              • Checks processor information in registry
              • Suspicious use of AdjustPrivilegeToken
              PID:5380
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
              1⤵
                PID:4852
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                1⤵
                • Modifies data under HKEY_USERS
                PID:5420
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DevicesFlow -s DevicesFlowUserSvc
                1⤵
                  PID:5228
                • C:\Windows\system32\taskmgr.exe
                  "C:\Windows\system32\taskmgr.exe" /4
                  1⤵
                  • Checks SCSI registry key(s)
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:6120

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

                      • Path C:\Users\Admin\AppData\Local\D3DSCache\b7c78e20530d35f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx
                      • Size 64KB
                      • SHA256 42c4fcd383e47854e66057644f88979287b077564fa0e83dd5097623e224804c
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

                      • Path C:\Users\Admin\AppData\Local\D3DSCache\b7c78e20530d35f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock
                      • Size 4B
                      • SHA256 7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba
                      • MD5 SHA1 SHA512

                      F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

                      • Path C:\Users\Admin\AppData\Local\D3DSCache\b7c78e20530d35f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val
                      • Size 960B
                      • SHA256 565de87de825884dfdd98f37a1b05d5293eb72bb28ba1950f879e0082b0344c8
                      • MD5 SHA1 SHA512 TLSH

                      settings.json

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\TaskManager\settings.json
                      • Size 14KB
                      • SHA256 9bd9450bce42680c5fa5f028d776df33f068e5b218939527ff3b27508a5bc4bb
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      6B33.tmp

                      • Path C:\Users\Admin\AppData\Local\Temp\6B33.tmp
                      • Size 55KB
                      • SHA256 02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/2576-33-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-32-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-28-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-37-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-36-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-35-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-34-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/2576-26-0x000001B605F30000-0x000001B605F31000-memory.dmp

                      memory/4804-21-0x00000000025E0000-0x000000000263E000-memory.dmp

                      memory/4804-0-0x00000000025E0000-0x000000000263E000-memory.dmp

                      memory/4804-8-0x00000000025E0000-0x000000000263E000-memory.dmp

                      memory/4804-10-0x00000000025E0000-0x000000000263E000-memory.dmp

                      memory/4804-7-0x00000000025E0000-0x000000000263E000-memory.dmp

                      memory/6120-63-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-72-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-71-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-70-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-69-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-68-0x00000224513F0000-0x00000224513F1000-memory.dmp

                      memory/6120-61-0x00000224513F0000-0x00000224513F1000-memory.dmp