Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    36s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-uk
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-uklocale:uk-uaos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 12:26

Errors

Reason
Machine shutdown

General

  • Target
    Nursultan.exe
  • Size 2.9MB
  • Sample260908-pmlleazfrd
  • SHA256 abba089518b1b76508c86b53193da43af7b3f3082c44289d7a29f9c1899fc100
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
    "C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:532
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4716
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Executes a command shell one-liner
      PID:5012
      • C:\Windows\System32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:4372
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:4896
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2528
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:5520
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:5680
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:1736
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        PID:1712
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        PID:4280
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        PID:2828
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        PID:264
      • C:\Windows\system32\dialer.exe
        C:\Windows\system32\dialer.exe
        2⤵
          PID:1660
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "GALHCEMF"
          2⤵
          • Launches sc.exe
          PID:1792
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe create "GALHCEMF" binpath= "C:\ProgramData\mgyvooqootmn\lfxmhkkppfzj.exe" start= "auto"
          2⤵
          • Launches sc.exe
          PID:2844
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          2⤵
          • Launches sc.exe
          PID:4732
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "GALHCEMF"
          2⤵
          • Launches sc.exe
          PID:3016
      • C:\ProgramData\mgyvooqootmn\lfxmhkkppfzj.exe
        C:\ProgramData\mgyvooqootmn\lfxmhkkppfzj.exe
        1⤵
          PID:1588
          • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
            2⤵
            • Command and Scripting Interpreter: PowerShell
            PID:1548
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
            2⤵
            • Executes a command shell one-liner
            PID:5352
            • C:\Windows\System32\wusa.exe
              wusa /uninstall /kb:890830 /quiet /norestart
              3⤵
                PID:1864
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop UsoSvc
              2⤵
              • Launches sc.exe
              PID:2288
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop WaaSMedicSvc
              2⤵
              • Launches sc.exe
              PID:1624
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop wuauserv
              2⤵
              • Launches sc.exe
              PID:5464
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop bits
              2⤵
              • Launches sc.exe
              PID:5428
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop dosvc
              2⤵
              • Launches sc.exe
              PID:1380
            • C:\Windows\system32\powercfg.exe
              C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
              2⤵
              • Power Settings
              PID:3024
            • C:\Windows\system32\powercfg.exe
              C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
              2⤵
              • Power Settings
              PID:2892
            • C:\Windows\system32\powercfg.exe
              C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
              2⤵
              • Power Settings
              PID:3028
            • C:\Windows\system32\powercfg.exe
              C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
              2⤵
              • Power Settings
              PID:2784
            • C:\Windows\system32\dialer.exe
              C:\Windows\system32\dialer.exe
              2⤵
                PID:1212
              • C:\Windows\system32\dialer.exe
                C:\Windows\system32\dialer.exe
                2⤵
                  PID:5168

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    lfxmhkkppfzj.exe

                    • Path C:\ProgramData\mgyvooqootmn\lfxmhkkppfzj.exe
                    • Size 2.9MB
                    • SHA256 abba089518b1b76508c86b53193da43af7b3f3082c44289d7a29f9c1899fc100
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    __PSScriptPolicyTest_qnw0moju.thw.ps1

                    • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_qnw0moju.thw.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512 TLSH

                    memory/1548-39-0x00000180B4670000-0x00000180B4722000-memory.dmp

                    memory/1660-30-0x0000000140000000-0x000000014002B000-memory.dmp

                    memory/1660-27-0x0000000140000000-0x000000014002B000-memory.dmp

                    memory/1660-28-0x0000000140000000-0x000000014002B000-memory.dmp

                    memory/1660-29-0x0000000140000000-0x000000014002B000-memory.dmp

                    memory/4716-18-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-22-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-13-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-14-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-15-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-16-0x00000273C2DF0000-0x00000273C2DFA000-memory.dmp

                    memory/4716-17-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-0-0x00007FFD6F3CF000-0x00007FFD6F3D0000-memory.dmp

                    memory/4716-19-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-20-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-21-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-12-0x00000273C2D30000-0x00000273C2DE2000-memory.dmp

                    memory/4716-23-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-24-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-26-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-11-0x00000273C2AF0000-0x00000273C2B0E000-memory.dmp

                    memory/4716-8-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-7-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-6-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-5-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp

                    memory/4716-4-0x00000273C2A50000-0x00000273C2A72000-memory.dmp

                    memory/4716-1-0x00007FFD6F240000-0x00007FFD6FBE4000-memory.dmp