Analysis
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max time kernel
28s -
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 22:29
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-1-5-21-160263616-143223877-1356318919-1000\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.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exeicacls.exepid process 4556 takeown.exe 240 takeown.exe 2432 takeown.exe 1784 icacls.exe 2120 takeown.exe 4016 takeown.exe 688 takeown.exe 3160 takeown.exe 3844 takeown.exe 4248 takeown.exe 2040 takeown.exe 1560 icacls.exe 4600 takeown.exe 2404 takeown.exe 2856 takeown.exe 4292 takeown.exe 3596 icacls.exe 4764 icacls.exe -
Modifies file permissions 1 TTPs 18 IoCs
Processes:
takeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exeicacls.exetakeown.exetakeown.exetakeown.exetakeown.exeicacls.exeicacls.exepid process 240 takeown.exe 4556 takeown.exe 2040 takeown.exe 2432 takeown.exe 4016 takeown.exe 688 takeown.exe 3160 takeown.exe 4600 takeown.exe 3596 icacls.exe 3844 takeown.exe 4248 takeown.exe 1560 icacls.exe 2856 takeown.exe 4292 takeown.exe 2404 takeown.exe 2120 takeown.exe 4764 icacls.exe 1784 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 opened for modification C:\Windows\cluttscape.exe Chernobyl.exe File created 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 4652 Chernobyl.exe Token: SeDebugPrivilege 4652 Chernobyl.exe Token: SeTakeOwnershipPrivilege 2040 takeown.exe Token: SeTakeOwnershipPrivilege 2856 takeown.exe Token: SeTakeOwnershipPrivilege 240 takeown.exe Token: SeTakeOwnershipPrivilege 2432 takeown.exe Token: SeTakeOwnershipPrivilege 2404 takeown.exe Token: SeTakeOwnershipPrivilege 4292 takeown.exe Token: SeTakeOwnershipPrivilege 4248 takeown.exe Token: SeTakeOwnershipPrivilege 3844 takeown.exe Token: SeTakeOwnershipPrivilege 2120 takeown.exe Token: SeTakeOwnershipPrivilege 4556 takeown.exe Token: SeTakeOwnershipPrivilege 688 takeown.exe Token: SeTakeOwnershipPrivilege 4016 takeown.exe Token: SeTakeOwnershipPrivilege 4600 takeown.exe Token: SeTakeOwnershipPrivilege 3160 takeown.exe Token: SeShutdownPrivilege 4652 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 4652 wrote to memory of 3912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2256 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2256 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2256 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2488 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2488 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2488 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 4464 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 4464 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 4464 4652 Chernobyl.exe cmd.exe PID 3912 wrote to memory of 4460 3912 cmd.exe rundll32.exe PID 3912 wrote to memory of 4460 3912 cmd.exe rundll32.exe PID 3912 wrote to memory of 4460 3912 cmd.exe rundll32.exe PID 4652 wrote to memory of 2324 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2324 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 2324 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1280 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1280 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1280 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3828 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3828 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3828 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3344 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3344 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 3344 4652 Chernobyl.exe cmd.exe PID 2488 wrote to memory of 4348 2488 cmd.exe rundll32.exe PID 2488 wrote to memory of 4348 2488 cmd.exe rundll32.exe PID 2488 wrote to memory of 4348 2488 cmd.exe rundll32.exe PID 4652 wrote to memory of 4924 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 4924 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 4924 4652 Chernobyl.exe cmd.exe PID 4464 wrote to memory of 4712 4464 cmd.exe rundll32.exe PID 4464 wrote to memory of 4712 4464 cmd.exe rundll32.exe PID 4464 wrote to memory of 4712 4464 cmd.exe rundll32.exe PID 2256 wrote to memory of 4612 2256 cmd.exe rundll32.exe PID 2256 wrote to memory of 4612 2256 cmd.exe rundll32.exe PID 2256 wrote to memory of 4612 2256 cmd.exe rundll32.exe PID 4652 wrote to memory of 5000 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 5000 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 5000 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1912 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1564 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1564 4652 Chernobyl.exe cmd.exe PID 4652 wrote to memory of 1564 4652 Chernobyl.exe cmd.exe PID 2324 wrote to memory of 1372 2324 cmd.exe rundll32.exe PID 2324 wrote to memory of 1372 2324 cmd.exe rundll32.exe PID 2324 wrote to memory of 1372 2324 cmd.exe rundll32.exe PID 1280 wrote to memory of 4468 1280 cmd.exe rundll32.exe PID 1280 wrote to memory of 4468 1280 cmd.exe rundll32.exe PID 1280 wrote to memory of 4468 1280 cmd.exe rundll32.exe PID 3828 wrote to memory of 4180 3828 cmd.exe rundll32.exe PID 3828 wrote to memory of 4180 3828 cmd.exe rundll32.exe PID 3828 wrote to memory of 4180 3828 cmd.exe rundll32.exe PID 3344 wrote to memory of 1184 3344 cmd.exe rundll32.exe PID 3344 wrote to memory of 1184 3344 cmd.exe rundll32.exe PID 3344 wrote to memory of 1184 3344 cmd.exe rundll32.exe PID 4924 wrote to memory of 1384 4924 cmd.exe rundll32.exe PID 4924 wrote to memory of 1384 4924 cmd.exe rundll32.exe PID 4924 wrote to memory of 1384 4924 cmd.exe rundll32.exe PID 5000 wrote to memory of 1956 5000 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:4652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4460
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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:2256 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4612
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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:2488 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4348
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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:4464 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4712
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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:2324 -
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:1280 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4468
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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:3828 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4180
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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:3344 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1184
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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:4924 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1384
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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:5000 -
C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:1956
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:1912
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:4856
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit2⤵PID:1564
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C:\Windows\SysWOW64\rundll32.exeRUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters3⤵PID:2292
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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:3200
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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:2040
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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:4220
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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:2856
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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:3228
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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:240
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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:1120
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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:4292
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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:4144
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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:4248
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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:4852
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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:2432
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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:4512
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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:2404
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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:1032
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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:2120
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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:2952
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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:688
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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:2336
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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:3844
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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:5068
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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:4556
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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:1560
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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:3960
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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:4016
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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:4764
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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:2064
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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:4600
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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:3596
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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:4748
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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:3160
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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:1784
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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\◄█σÿř√íõ▼½Ÿ√ń►9¾éæ▌▀π≈◘Âčé♫ï╚♫▀☺☺■■řÇ¥«¥▼¢ßß╤54¶å¾╤Ÿ«ö8☻Æ◘♀∩ø—╬♠Ç■Ç♣ńö∞ń↕žÇč○↑žåõφ9ø£ó╤æ▀ö94ńå▐řéœ♫²
Filesize666B
MD59e1e5883c74742a497cf5c272ccd2321
SHA12cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b