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Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 23:39
Behavioral task
behavioral1
Sample
13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe
Resource
win10v2004-20240802-en
General
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Target
13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe
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Size
1.7MB
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MD5
ef120979c171eba0bedab797ab827380
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SHA1
84e2cebef703f1235cf88d5b0d7aef5c3dc1f513
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SHA256
13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76
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SHA512
cf1028ba928586c3f3ea0ec374c0bbaf9a318ab09a94e15d2144360ae3566c170e16ecb4ea30015639a12e4db0d8383e9aaf7db3973672c335e4ddc78dded702
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SSDEEP
12288:DZISeMFVhdL1XBvXxzGNABnwHdxkn7L1GzR1FYoxkM2N4JHUcTwoSB:VIW0rXi1GzRQo08i
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Windows Updater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Updater.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Executes dropped EXE 3 IoCs
pid Process 2572 winupdt.exe 2844 winupdt.exe 1204 winupdt.exe -
Loads dropped DLL 7 IoCs
pid Process 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2572 winupdt.exe 2572 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Window Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2572 set thread context of 2844 2572 winupdt.exe 34 PID 2572 set thread context of 1204 2572 winupdt.exe 35 -
resource yara_rule behavioral1/memory/2368-0-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral1/files/0x00080000000161fb-27.dat upx behavioral1/memory/2368-43-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral1/memory/2844-50-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2572-49-0x00000000029C0000-0x0000000002B73000-memory.dmp upx behavioral1/memory/2572-48-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral1/memory/1204-56-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2572-58-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral1/memory/1204-63-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/1204-70-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2844-69-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/1204-62-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2844-55-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-54-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-72-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-75-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-77-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-80-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-82-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-84-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-89-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-94-0x0000000000400000-0x000000000045C000-memory.dmp upx -
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 14 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2880 reg.exe 976 reg.exe 1648 reg.exe 1960 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 1204 winupdt.exe Token: 1 2844 winupdt.exe Token: SeCreateTokenPrivilege 2844 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 2844 winupdt.exe Token: SeLockMemoryPrivilege 2844 winupdt.exe Token: SeIncreaseQuotaPrivilege 2844 winupdt.exe Token: SeMachineAccountPrivilege 2844 winupdt.exe Token: SeTcbPrivilege 2844 winupdt.exe Token: SeSecurityPrivilege 2844 winupdt.exe Token: SeTakeOwnershipPrivilege 2844 winupdt.exe Token: SeLoadDriverPrivilege 2844 winupdt.exe Token: SeSystemProfilePrivilege 2844 winupdt.exe Token: SeSystemtimePrivilege 2844 winupdt.exe Token: SeProfSingleProcessPrivilege 2844 winupdt.exe Token: SeIncBasePriorityPrivilege 2844 winupdt.exe Token: SeCreatePagefilePrivilege 2844 winupdt.exe Token: SeCreatePermanentPrivilege 2844 winupdt.exe Token: SeBackupPrivilege 2844 winupdt.exe Token: SeRestorePrivilege 2844 winupdt.exe Token: SeShutdownPrivilege 2844 winupdt.exe Token: SeDebugPrivilege 2844 winupdt.exe Token: SeAuditPrivilege 2844 winupdt.exe Token: SeSystemEnvironmentPrivilege 2844 winupdt.exe Token: SeChangeNotifyPrivilege 2844 winupdt.exe Token: SeRemoteShutdownPrivilege 2844 winupdt.exe Token: SeUndockPrivilege 2844 winupdt.exe Token: SeSyncAgentPrivilege 2844 winupdt.exe Token: SeEnableDelegationPrivilege 2844 winupdt.exe Token: SeManageVolumePrivilege 2844 winupdt.exe Token: SeImpersonatePrivilege 2844 winupdt.exe Token: SeCreateGlobalPrivilege 2844 winupdt.exe Token: 31 2844 winupdt.exe Token: 32 2844 winupdt.exe Token: 33 2844 winupdt.exe Token: 34 2844 winupdt.exe Token: 35 2844 winupdt.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 2572 winupdt.exe 2844 winupdt.exe 1204 winupdt.exe 2844 winupdt.exe 2844 winupdt.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2532 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 30 PID 2368 wrote to memory of 2532 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 30 PID 2368 wrote to memory of 2532 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 30 PID 2368 wrote to memory of 2532 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 30 PID 2532 wrote to memory of 2096 2532 cmd.exe 32 PID 2532 wrote to memory of 2096 2532 cmd.exe 32 PID 2532 wrote to memory of 2096 2532 cmd.exe 32 PID 2532 wrote to memory of 2096 2532 cmd.exe 32 PID 2368 wrote to memory of 2572 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 33 PID 2368 wrote to memory of 2572 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 33 PID 2368 wrote to memory of 2572 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 33 PID 2368 wrote to memory of 2572 2368 13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe 33 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 2844 2572 winupdt.exe 34 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2572 wrote to memory of 1204 2572 winupdt.exe 35 PID 2844 wrote to memory of 2920 2844 winupdt.exe 36 PID 2844 wrote to memory of 2920 2844 winupdt.exe 36 PID 2844 wrote to memory of 2920 2844 winupdt.exe 36 PID 2844 wrote to memory of 2920 2844 winupdt.exe 36 PID 2844 wrote to memory of 2624 2844 winupdt.exe 37 PID 2844 wrote to memory of 2624 2844 winupdt.exe 37 PID 2844 wrote to memory of 2624 2844 winupdt.exe 37 PID 2844 wrote to memory of 2624 2844 winupdt.exe 37 PID 2844 wrote to memory of 2900 2844 winupdt.exe 38 PID 2844 wrote to memory of 2900 2844 winupdt.exe 38 PID 2844 wrote to memory of 2900 2844 winupdt.exe 38 PID 2844 wrote to memory of 2900 2844 winupdt.exe 38 PID 2844 wrote to memory of 2648 2844 winupdt.exe 40 PID 2844 wrote to memory of 2648 2844 winupdt.exe 40 PID 2844 wrote to memory of 2648 2844 winupdt.exe 40 PID 2844 wrote to memory of 2648 2844 winupdt.exe 40 PID 2624 wrote to memory of 1960 2624 cmd.exe 44 PID 2624 wrote to memory of 1960 2624 cmd.exe 44 PID 2624 wrote to memory of 1960 2624 cmd.exe 44 PID 2624 wrote to memory of 1960 2624 cmd.exe 44 PID 2920 wrote to memory of 1648 2920 cmd.exe 45 PID 2920 wrote to memory of 1648 2920 cmd.exe 45 PID 2920 wrote to memory of 1648 2920 cmd.exe 45 PID 2920 wrote to memory of 1648 2920 cmd.exe 45 PID 2648 wrote to memory of 976 2648 cmd.exe 46 PID 2648 wrote to memory of 976 2648 cmd.exe 46 PID 2648 wrote to memory of 976 2648 cmd.exe 46 PID 2648 wrote to memory of 976 2648 cmd.exe 46 PID 2900 wrote to memory of 2880 2900 cmd.exe 47 PID 2900 wrote to memory of 2880 2900 cmd.exe 47 PID 2900 wrote to memory of 2880 2900 cmd.exe 47 PID 2900 wrote to memory of 2880 2900 cmd.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe"C:\Users\Admin\AppData\Local\Temp\13398c378fe9ec371e7e08f8b2372412e3900b54ce3d2361564c8bb6154a2a76N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FUaDT.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2096
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C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1648
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1960
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2880
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:976
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C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1204
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
158B
MD51954c7e666c5b4d1117ef07bc0c9b8ec
SHA1559e3c0273c1463e9184027b749bdaad0a372681
SHA25635e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693
SHA5123939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a
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Filesize
1.7MB
MD54cf438efd1cdeaf6c3a66cff25cb9fab
SHA19afdde4d66255934d40123f50ff977a22cbf5a8d
SHA256223461ba89893e1ac225189d033bc0359a5d55234d042a030c5b7e692fb60160
SHA5126cc0a6017c355147bbb0c71825704940d08534fbfc2c23b33ef7e18d33509cfe4b902bc8f60ca3477bf02df97fcca4a6a1eb8092357876d6d2d074dcd05d5648