Analysis
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max time kernel
32s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-03-2024 00:49
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-1-5-21-3084248216-1643706459-906455512-1000\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.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exepid process 3364 takeown.exe 3172 takeown.exe 4968 takeown.exe 1928 takeown.exe 1388 icacls.exe 2176 takeown.exe 1472 takeown.exe 2084 takeown.exe 2236 takeown.exe 4748 takeown.exe 1860 takeown.exe 4636 icacls.exe 4904 icacls.exe 4872 takeown.exe 4240 takeown.exe 3084 takeown.exe 2736 takeown.exe 3280 icacls.exe -
Modifies file permissions 1 TTPs 18 IoCs
Processes:
takeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exeicacls.exeicacls.exepid process 4872 takeown.exe 1860 takeown.exe 3364 takeown.exe 2176 takeown.exe 3084 takeown.exe 1928 takeown.exe 4904 icacls.exe 2236 takeown.exe 2736 takeown.exe 1472 takeown.exe 4968 takeown.exe 4748 takeown.exe 1388 icacls.exe 4240 takeown.exe 3172 takeown.exe 2084 takeown.exe 3280 icacls.exe 4636 icacls.exe -
Processes:
Chernobyl.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Chernobyl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 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 1 IoCs
Processes:
Chernobyl.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Unknown\DefaultIcon\ = "C:\\Windows\\SysWow64\\kill.ico" Chernobyl.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 3604 Chernobyl.exe Token: SeDebugPrivilege 3604 Chernobyl.exe Token: SeTakeOwnershipPrivilege 4240 takeown.exe Token: SeTakeOwnershipPrivilege 3172 takeown.exe Token: SeTakeOwnershipPrivilege 2176 takeown.exe Token: SeTakeOwnershipPrivilege 2236 takeown.exe Token: SeTakeOwnershipPrivilege 2736 takeown.exe Token: SeTakeOwnershipPrivilege 4872 takeown.exe Token: SeTakeOwnershipPrivilege 3364 takeown.exe Token: SeTakeOwnershipPrivilege 1860 takeown.exe Token: SeTakeOwnershipPrivilege 1472 takeown.exe Token: SeTakeOwnershipPrivilege 2084 takeown.exe Token: SeTakeOwnershipPrivilege 4968 takeown.exe Token: SeTakeOwnershipPrivilege 3084 takeown.exe Token: SeTakeOwnershipPrivilege 1928 takeown.exe Token: SeTakeOwnershipPrivilege 4748 takeown.exe Token: SeShutdownPrivilege 3604 Chernobyl.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 3604 wrote to memory of 3632 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 3632 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 3632 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2808 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2808 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2808 3604 Chernobyl.exe cmd.exe PID 3632 wrote to memory of 4916 3632 cmd.exe rundll32.exe PID 3632 wrote to memory of 4916 3632 cmd.exe rundll32.exe PID 3632 wrote to memory of 4916 3632 cmd.exe rundll32.exe PID 3604 wrote to memory of 4988 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4988 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4988 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2932 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2932 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2932 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 688 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 688 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 688 3604 Chernobyl.exe cmd.exe PID 2808 wrote to memory of 1372 2808 cmd.exe rundll32.exe PID 2808 wrote to memory of 1372 2808 cmd.exe rundll32.exe PID 2808 wrote to memory of 1372 2808 cmd.exe rundll32.exe PID 3604 wrote to memory of 1936 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1936 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1936 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1588 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1588 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1588 3604 Chernobyl.exe cmd.exe PID 4988 wrote to memory of 4708 4988 cmd.exe rundll32.exe PID 4988 wrote to memory of 4708 4988 cmd.exe rundll32.exe PID 4988 wrote to memory of 4708 4988 cmd.exe rundll32.exe PID 3604 wrote to memory of 1560 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1560 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1560 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4284 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4284 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4284 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2352 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2352 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 2352 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4660 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4660 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 4660 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1104 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1104 3604 Chernobyl.exe cmd.exe PID 3604 wrote to memory of 1104 3604 Chernobyl.exe cmd.exe PID 1588 wrote to memory of 4532 1588 cmd.exe rundll32.exe PID 1588 wrote to memory of 4532 1588 cmd.exe rundll32.exe PID 1588 wrote to memory of 4532 1588 cmd.exe rundll32.exe PID 688 wrote to memory of 596 688 cmd.exe rundll32.exe PID 688 wrote to memory of 596 688 cmd.exe rundll32.exe PID 688 wrote to memory of 596 688 cmd.exe rundll32.exe PID 1936 wrote to memory of 2912 1936 cmd.exe rundll32.exe PID 1936 wrote to memory of 2912 1936 cmd.exe rundll32.exe PID 1936 wrote to memory of 2912 1936 cmd.exe rundll32.exe PID 2932 wrote to memory of 3400 2932 cmd.exe rundll32.exe PID 2932 wrote to memory of 3400 2932 cmd.exe rundll32.exe PID 2932 wrote to memory of 3400 2932 cmd.exe rundll32.exe PID 1560 wrote to memory of 2972 1560 cmd.exe rundll32.exe PID 1560 wrote to memory of 2972 1560 cmd.exe rundll32.exe PID 1560 wrote to memory of 2972 1560 cmd.exe rundll32.exe PID 4660 wrote to memory of 2468 4660 cmd.exe rundll32.exe PID 4660 wrote to memory of 2468 4660 cmd.exe rundll32.exe PID 4660 wrote to memory of 2468 4660 cmd.exe rundll32.exe PID 4284 wrote to memory of 2204 4284 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\EnableLUA = "0" Chernobyl.exe 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
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:3604 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4916
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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:2808 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1372
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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:4988 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4708
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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:2932 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:3400
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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:688 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:596
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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:1936 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2912
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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:1588 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4532
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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:1560 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2972
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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:4284 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2204
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:2352
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2248
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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:4660 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2468
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:1104
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:3460
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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:252
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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:4240
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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:3972
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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:3172
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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:428
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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:2176
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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:1940
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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:2236
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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:4188
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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:3364
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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:2900
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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:2736
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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:3808
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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:4872
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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:1664
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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:1472
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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:3716
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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:1860
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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:4504
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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:4968
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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:3984
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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:2084
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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:3280
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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:512
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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:3084
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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:4636
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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:3812
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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:1928
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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:1388
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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:4416
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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:4748
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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:4904
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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\5¶╤∩φ╠♀εžřÆεž¼₧å≈5╥ä2▄♪æ6¥õπ∞ÿ9Ç7Ç—Â♀▲ÿ®ß■£3Ÿï♂╩ß√¶♥•×▲¤♫£↑䣶▐≈Ç—í8¾♣Çå▼¬9♂ř9▲žń╩◘▬◘╤5ø2š½╧õ∩↕¤9Ææ½
Filesize666B
MD59e1e5883c74742a497cf5c272ccd2321
SHA12cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b