Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2024, 18:39
Static task
static1
Behavioral task
behavioral1
Sample
2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe
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Size
821KB
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MD5
2394cec73e98c0c91e94d9c53c073f3d
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SHA1
4b6071a7b83227fd3d75a0ea2ac5bbf296c12bc7
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SHA256
240f55aa91e6c06161780c1f3ece5eabab4e9a916ee155062ced44c8eeaa5d37
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SHA512
2490e1cafb21bdb9c045c7488ba372dc9a75ecad410ecbd4f70bb948aa6076846a8c3593a3f5f8f76ac68f1c21fac266a2d5d103af619cee22d6cf9c0d651857
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SSDEEP
12288:6yawtaU6GH+V6Uk9VoPGPX7/2tQPY4HdaoHbrEoZ1eVWBFwe7yHXvy5dZ:AUPR9VSArOH4b7okeVWDt7aK5L
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\Windupdt\\winupdate.exe" 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 2464 winupdate.exe 4744 winupdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe" notepad.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe" 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2132 set thread context of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 4836 set thread context of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 2464 set thread context of 4744 2464 winupdate.exe 89 -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Windupdt\ 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe File created C:\Windows\Windupdt\winupdate.exe notepad.exe File opened for modification C:\Windows\Windupdt\winupdate.exe winupdate.exe File created C:\Windows\Windupdt\winupdate.exe 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\winupdate.exe 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeSecurityPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeSystemtimePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeBackupPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeRestorePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeShutdownPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeDebugPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeUndockPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeManageVolumePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeImpersonatePrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: 33 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: 34 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: 35 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: 36 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4744 winupdate.exe Token: SeSecurityPrivilege 4744 winupdate.exe Token: SeTakeOwnershipPrivilege 4744 winupdate.exe Token: SeLoadDriverPrivilege 4744 winupdate.exe Token: SeSystemProfilePrivilege 4744 winupdate.exe Token: SeSystemtimePrivilege 4744 winupdate.exe Token: SeProfSingleProcessPrivilege 4744 winupdate.exe Token: SeIncBasePriorityPrivilege 4744 winupdate.exe Token: SeCreatePagefilePrivilege 4744 winupdate.exe Token: SeBackupPrivilege 4744 winupdate.exe Token: SeRestorePrivilege 4744 winupdate.exe Token: SeShutdownPrivilege 4744 winupdate.exe Token: SeDebugPrivilege 4744 winupdate.exe Token: SeSystemEnvironmentPrivilege 4744 winupdate.exe Token: SeChangeNotifyPrivilege 4744 winupdate.exe Token: SeRemoteShutdownPrivilege 4744 winupdate.exe Token: SeUndockPrivilege 4744 winupdate.exe Token: SeManageVolumePrivilege 4744 winupdate.exe Token: SeImpersonatePrivilege 4744 winupdate.exe Token: SeCreateGlobalPrivilege 4744 winupdate.exe Token: 33 4744 winupdate.exe Token: 34 4744 winupdate.exe Token: 35 4744 winupdate.exe Token: 36 4744 winupdate.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 2176 explorer.exe 2464 winupdate.exe 4744 winupdate.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 2132 wrote to memory of 4836 2132 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 84 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 4408 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 86 PID 4836 wrote to memory of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 4836 wrote to memory of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 4836 wrote to memory of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 4836 wrote to memory of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 4836 wrote to memory of 2176 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 87 PID 4836 wrote to memory of 2464 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 88 PID 4836 wrote to memory of 2464 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 88 PID 4836 wrote to memory of 2464 4836 2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe 88 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 2464 wrote to memory of 4744 2464 winupdate.exe 89 PID 4744 wrote to memory of 2788 4744 winupdate.exe 90 PID 4744 wrote to memory of 2788 4744 winupdate.exe 90 PID 4744 wrote to memory of 2788 4744 winupdate.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\2394cec73e98c0c91e94d9c53c073f3d_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4408
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2176
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C:\Windows\Windupdt\winupdate.exe"C:\Windows\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\Windupdt\winupdate.exeC:\Windows\Windupdt\winupdate.exe4⤵
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe5⤵
- System Location Discovery: System Language Discovery
PID:2788
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
821KB
MD52394cec73e98c0c91e94d9c53c073f3d
SHA14b6071a7b83227fd3d75a0ea2ac5bbf296c12bc7
SHA256240f55aa91e6c06161780c1f3ece5eabab4e9a916ee155062ced44c8eeaa5d37
SHA5122490e1cafb21bdb9c045c7488ba372dc9a75ecad410ecbd4f70bb948aa6076846a8c3593a3f5f8f76ac68f1c21fac266a2d5d103af619cee22d6cf9c0d651857