Analysis

  • user interaction
    yes
  • max time kernel
    39s
  • max time network
    69s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 22:27

General

  • Target
    NursultanCrack.exe
  • Size 25.5MB
  • Sample260624-2dd67af18l
  • SHA256 e2e4c10fc493bd3d1268b06ddf757d704753f3ca06c4ecd9d41cb5a4e00699b8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 42 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NursultanCrack.exe
    "C:\Users\Admin\AppData\Local\Temp\NursultanCrack.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\MalwareDefender.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'MalwareDefender_6e090233' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2204
  • C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\MalwareDefender.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\MalwareDefender.exe"
    1⤵
    • Drops startup file
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\MalwareDefender.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'MalwareDefender_6e090233' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1408
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5060
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
      PID:4824
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
        PID:4680
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:836

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 a976a31824c3a0cc2a6b0fd9ec6045c398d82990e5e96df2ad86ba09a9b05be5
              • MD5 SHA1 SHA512 TLSH

              prep_Activatable Class_Hermes_perf.cache

              • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
              • Size 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_gzi1xnxx.ayg.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gzi1xnxx.ayg.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              agent-3580836085.tmp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\agent-3580836085.tmp
              • Size 25.5MB
              • SHA256 e2e4c10fc493bd3d1268b06ddf757d704753f3ca06c4ecd9d41cb5a4e00699b8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1772-221-0x00007FF6E47B0000-0x00007FF6E8207000-memory.dmp

              memory/1772-70-0x00007FF6E47B0000-0x00007FF6E8207000-memory.dmp

              memory/1772-43-0x00007FF6E47B0000-0x00007FF6E8207000-memory.dmp

              memory/1772-39-0x00007FF6E47B0000-0x00007FF6E8207000-memory.dmp

              memory/2204-16-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-13-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-18-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-19-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-20-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-17-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-26-0x00000200D0760000-0x00000200D0812000-memory.dmp

              memory/2204-25-0x00000200D0740000-0x00000200D075E000-memory.dmp

              memory/2204-27-0x00000200D0820000-0x00000200D082A000-memory.dmp

              memory/2204-30-0x00000200D0CC0000-0x00000200D0CDE000-memory.dmp

              memory/2204-14-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-12-0x00000200D06A0000-0x00000200D06C2000-memory.dmp

              memory/2204-38-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-15-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-6-0x00007FFF6D03F000-0x00007FFF6D040000-memory.dmp

              memory/2204-9-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-7-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2204-8-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

              memory/2424-44-0x00007FF7DD830000-0x00007FF7E1287000-memory.dmp

              memory/2424-218-0x00007FF7DD830000-0x00007FF7E1287000-memory.dmp

              memory/2424-40-0x00007FF7DD830000-0x00007FF7E1287000-memory.dmp

              memory/2424-225-0x00007FF7DD830000-0x00007FF7E1287000-memory.dmp

              memory/4824-66-0x0000020B001E0000-0x0000020B002E0000-memory.dmp

              memory/4824-87-0x0000020B03E10000-0x0000020B03E30000-memory.dmp

              memory/4824-112-0x0000020B15290000-0x0000020B152B0000-memory.dmp

              memory/4824-78-0x0000020B03E70000-0x0000020B03F70000-memory.dmp

              memory/4824-75-0x0000020B03A30000-0x0000020B03A50000-memory.dmp

              memory/5060-220-0x000000000F8A0000-0x000000000F8F0000-memory.dmp