Analysis
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max time kernel
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max time network
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platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-03-2024 21:37
Static task
static1
Behavioral task
behavioral1
Sample
Chernobyl.exe
Resource
win11-20240221-en
General
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Target
Chernobyl.exe
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Size
343KB
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MD5
d576e0520faa40435d5bdc66304205f9
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SHA1
b99fce6ebd094e2cbc29e1ed4e47360781e86c47
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SHA256
2b6266f14d2ed46e921168fd2b4a5510f40c69cd591800d17ae8ca31fcde28c6
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SHA512
6b60a287f3eefbf2c0f2b0f205e88c4ce5a5aad050f59ff5fd1bc8017322039963f51bdd72b0922ec08880ae5da17286c04418c44dd996f0fb7b585f376f4c98
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SSDEEP
6144:ab+co0222222222222222222222222222222222222222222222222222222222w:jjkyOZzv4TatsNqaJg
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
Chernobyl.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, cluttscape.exe" Chernobyl.exe -
Processes:
Chernobyl.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chernobyl.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
Chernobyl.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" Chernobyl.exe -
Disables Task Manager via registry modification
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Possible privilege escalation attempt 18 IoCs
Processes:
takeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exeicacls.exetakeown.exepid process 1372 takeown.exe 964 takeown.exe 5064 takeown.exe 1668 takeown.exe 3064 takeown.exe 2680 takeown.exe 3864 takeown.exe 3252 icacls.exe 3616 takeown.exe 3380 takeown.exe 2628 icacls.exe 3480 takeown.exe 4788 takeown.exe 228 takeown.exe 4792 icacls.exe 1116 takeown.exe 2060 icacls.exe 2308 takeown.exe -
Modifies file permissions 1 TTPs 18 IoCs
Processes:
takeown.exeicacls.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exepid process 964 takeown.exe 3252 icacls.exe 3480 takeown.exe 3064 takeown.exe 5064 takeown.exe 2060 icacls.exe 1668 takeown.exe 4788 takeown.exe 3864 takeown.exe 2680 takeown.exe 4792 icacls.exe 2628 icacls.exe 3616 takeown.exe 1372 takeown.exe 3380 takeown.exe 2308 takeown.exe 228 takeown.exe 1116 takeown.exe -
Processes:
Chernobyl.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chernobyl.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Chernobyl.exe -
Modifies WinLogon 2 TTPs 2 IoCs
Processes:
Chernobyl.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" Chernobyl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1" Chernobyl.exe -
Drops file in System32 directory 1 IoCs
Processes:
Chernobyl.exedescription ioc process File opened for modification C:\Windows\SysWOW64\kill.ico Chernobyl.exe -
Drops file in Windows directory 2 IoCs
Processes:
Chernobyl.exedescription ioc process File created C:\Windows\cluttscape.exe Chernobyl.exe File opened for modification C:\Windows\cluttscape.exe Chernobyl.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
Chernobyl.exeMiniSearchHost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Unknown\DefaultIcon\ = "C:\\Windows\\SysWow64\\kill.ico" Chernobyl.exe Key created \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
Chernobyl.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exedescription pid process Token: SeDebugPrivilege 2824 Chernobyl.exe Token: SeDebugPrivilege 2824 Chernobyl.exe Token: SeTakeOwnershipPrivilege 3616 takeown.exe Token: SeTakeOwnershipPrivilege 3480 takeown.exe Token: SeTakeOwnershipPrivilege 1668 takeown.exe Token: SeTakeOwnershipPrivilege 3064 takeown.exe Token: SeTakeOwnershipPrivilege 2308 takeown.exe Token: SeTakeOwnershipPrivilege 228 takeown.exe Token: SeTakeOwnershipPrivilege 5064 takeown.exe Token: SeTakeOwnershipPrivilege 4788 takeown.exe Token: SeTakeOwnershipPrivilege 3380 takeown.exe Token: SeTakeOwnershipPrivilege 1372 takeown.exe Token: SeTakeOwnershipPrivilege 2680 takeown.exe Token: SeTakeOwnershipPrivilege 1116 takeown.exe Token: SeTakeOwnershipPrivilege 3864 takeown.exe Token: SeTakeOwnershipPrivilege 964 takeown.exe Token: SeShutdownPrivilege 2824 Chernobyl.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MiniSearchHost.exepid process 4760 MiniSearchHost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
Chernobyl.execmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.exedescription pid process target process PID 2824 wrote to memory of 1876 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1876 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1876 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4636 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4636 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4636 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1568 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1568 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1568 2824 Chernobyl.exe cmd.exe PID 1876 wrote to memory of 2196 1876 cmd.exe rundll32.exe PID 1876 wrote to memory of 2196 1876 cmd.exe rundll32.exe PID 1876 wrote to memory of 2196 1876 cmd.exe rundll32.exe PID 2824 wrote to memory of 1040 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1040 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1040 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2064 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2064 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2064 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4792 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4792 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4792 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 900 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 900 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 900 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2308 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2308 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2308 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1348 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1348 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 1348 2824 Chernobyl.exe cmd.exe PID 4636 wrote to memory of 1476 4636 cmd.exe rundll32.exe PID 4636 wrote to memory of 1476 4636 cmd.exe rundll32.exe PID 4636 wrote to memory of 1476 4636 cmd.exe rundll32.exe PID 2824 wrote to memory of 572 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 572 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 572 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4160 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4160 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 4160 2824 Chernobyl.exe cmd.exe PID 1568 wrote to memory of 3124 1568 cmd.exe rundll32.exe PID 1568 wrote to memory of 3124 1568 cmd.exe rundll32.exe PID 1568 wrote to memory of 3124 1568 cmd.exe rundll32.exe PID 2824 wrote to memory of 2016 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2016 2824 Chernobyl.exe cmd.exe PID 2824 wrote to memory of 2016 2824 Chernobyl.exe cmd.exe PID 2308 wrote to memory of 2012 2308 cmd.exe rundll32.exe PID 2308 wrote to memory of 2012 2308 cmd.exe rundll32.exe PID 2308 wrote to memory of 2012 2308 cmd.exe rundll32.exe PID 1040 wrote to memory of 4996 1040 cmd.exe rundll32.exe PID 1040 wrote to memory of 4996 1040 cmd.exe rundll32.exe PID 1040 wrote to memory of 4996 1040 cmd.exe rundll32.exe PID 900 wrote to memory of 2816 900 cmd.exe rundll32.exe PID 900 wrote to memory of 2816 900 cmd.exe rundll32.exe PID 900 wrote to memory of 2816 900 cmd.exe rundll32.exe PID 1348 wrote to memory of 1696 1348 cmd.exe rundll32.exe PID 1348 wrote to memory of 1696 1348 cmd.exe rundll32.exe PID 1348 wrote to memory of 1696 1348 cmd.exe rundll32.exe PID 2064 wrote to memory of 4852 2064 cmd.exe rundll32.exe PID 2064 wrote to memory of 4852 2064 cmd.exe rundll32.exe PID 2064 wrote to memory of 4852 2064 cmd.exe rundll32.exe PID 4792 wrote to memory of 2088 4792 cmd.exe rundll32.exe PID 4792 wrote to memory of 2088 4792 cmd.exe rundll32.exe PID 4792 wrote to memory of 2088 4792 cmd.exe rundll32.exe PID 4160 wrote to memory of 4344 4160 cmd.exe rundll32.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
Chernobyl.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" Chernobyl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" Chernobyl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chernobyl.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Disables RegEdit via registry modification
- Checks whether UAC is enabled
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2824 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2196
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:4636 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1476
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:3124
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4996
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4852
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2088
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2816
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2012
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1696
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:572
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:3120
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4344
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:2016
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:3024
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\smss.exe && icacls C:\Windows\System32\smss.exe /grant "%username%:F" && exit2⤵PID:3020
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\smss.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3480
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\csrss.exe && icacls C:\Windows\System32\csrss.exe /grant "%username%:F" && exit2⤵PID:220
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\csrss.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3616
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\wininit.exe && icacls C:\Windows\System32\wininit.exe /grant "%username%:F" && exit2⤵PID:4020
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\wininit.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1668
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\LogonUI.exe && icacls C:\Windows\System32\LogonUI.exe /grant "%username%:F" && exit2⤵PID:3396
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\LogonUI.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3064
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\lsass.exe && icacls C:\Windows\System32\lsass.exe /grant "%username%:F" && exit2⤵PID:3572
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\lsass.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:2308
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\services.exe && icacls C:\Windows\System32\services.exe /grant "%username%:F" && exit2⤵PID:1460
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\services.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:228
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant "%username%:F" && exit2⤵PID:1956
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\winlogon.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:4788
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.efi && icacls C:\Windows\System32\winload.efi /grant "%username%:F" && exit2⤵PID:1612
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\winload.efi3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:5064
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.exe && icacls C:\Windows\System32\winload.exe /grant "%username%:F" && exit2⤵PID:4772
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\winload.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3380
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\ntoskrnl.exe && icacls C:\Windows\System32\ntoskrnl.exe /grant "%username%:F" && exit2⤵PID:4072
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\ntoskrnl.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\svchost.exe && icacls C:\Windows\System32\svchost.exe /grant "%username%:F" && exit2⤵PID:2504
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\svchost.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:2680
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\System32\svchost.exe /grant "Admin:F"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4792
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\afunix.sys && icacls C:\Windows\System32\drivers\afunix.sys /grant "%username%:F" && exit2⤵PID:4732
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\drivers\afunix.sys3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3864
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\System32\drivers\afunix.sys /grant "Admin:F"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2060
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gm.dls && icacls C:\Windows\System32\drivers\gm.dls /grant "%username%:F" && exit2⤵PID:1268
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\drivers\gm.dls3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:964
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\System32\drivers\gm.dls /grant "Admin:F"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3252
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gmreadme.txt && icacls C:\Windows\System32\drivers\gmreadme.txt /grant "%username%:F" && exit2⤵PID:2368
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\System32\drivers\gmreadme.txt3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1116
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\System32\drivers\gmreadme.txt /grant "Admin:F"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2628
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4760
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3604
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"1⤵PID:4132
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\Desktop\■☼▲♣¶4╚6▐♠▲█♀♠√▄╠ßœč▌☺ž♣5øõ♫ěÂ▼æõø◙ń▼ě◄ïŸ₧▐╚œ◘╚▲Σ○▀▬☻₧☺š×♪¥šåï♠ř≈╤▬í♦•Â♀ÂíÆ►▲█½ö╠9▼♥ø☺Â≈¤¢σ•«å9ÿ¥Â╧♥
Filesize666B
MD59e1e5883c74742a497cf5c272ccd2321
SHA12cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b