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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 19:43
Behavioral task
behavioral1
Sample
AzoteLoader_V4.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
24 signatures
150 seconds
General
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Target
AzoteLoader_V4.exe
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Size
659KB
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MD5
21480585e472fa8a43e37a1c2bcd00f9
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SHA1
76ac8ac783ece9f1e46b709b314fba6dae4a84da
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SHA256
fe4852e8283e20665efc4d6944e3af160abafadb39f70b55b9653efa44fbc772
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SHA512
dca0413b3ae07cd3a057aa9e7b18f46d32fc31be2aedf6705d5cbd3a731d2c1a6899d98f917c6d8ce08630a026537a8e735de0327e6990b48e966a2da2e78853
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SSDEEP
12288:29HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hL:SZ1xuVVjfFoynPaVBUR8f+kN10EBl
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
SupHub-59247.portmap.host:59247
Mutex
DC_MUTEX-AHSQBT4
Attributes
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InstallPath
MSDCSC\WindowsUpdater.exe
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gencode
7aNjo4Mio4bc
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicrosoftUpdate
Signatures
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Darkcomet family
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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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\WindowsUpdater.exe" AzoteLoader_V4.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" WindowsUpdater.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile WindowsUpdater.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" WindowsUpdater.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" WindowsUpdater.exe -
Windows security bypass 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" WindowsUpdater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" WindowsUpdater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" WindowsUpdater.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iexplore.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4104 attrib.exe 1424 attrib.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation AzoteLoader_V4.exe -
Deletes itself 1 IoCs
pid Process 3664 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 2744 WindowsUpdater.exe -
Windows security modification 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" WindowsUpdater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" WindowsUpdater.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\WindowsUpdater.exe" AzoteLoader_V4.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\WindowsUpdater.exe" WindowsUpdater.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\WindowsUpdater.exe" iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2744 set thread context of 2224 2744 WindowsUpdater.exe 92 -
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 9 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 AzoteLoader_V4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsUpdater.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ AzoteLoader_V4.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2224 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 748 AzoteLoader_V4.exe Token: SeSecurityPrivilege 748 AzoteLoader_V4.exe Token: SeTakeOwnershipPrivilege 748 AzoteLoader_V4.exe Token: SeLoadDriverPrivilege 748 AzoteLoader_V4.exe Token: SeSystemProfilePrivilege 748 AzoteLoader_V4.exe Token: SeSystemtimePrivilege 748 AzoteLoader_V4.exe Token: SeProfSingleProcessPrivilege 748 AzoteLoader_V4.exe Token: SeIncBasePriorityPrivilege 748 AzoteLoader_V4.exe Token: SeCreatePagefilePrivilege 748 AzoteLoader_V4.exe Token: SeBackupPrivilege 748 AzoteLoader_V4.exe Token: SeRestorePrivilege 748 AzoteLoader_V4.exe Token: SeShutdownPrivilege 748 AzoteLoader_V4.exe Token: SeDebugPrivilege 748 AzoteLoader_V4.exe Token: SeSystemEnvironmentPrivilege 748 AzoteLoader_V4.exe Token: SeChangeNotifyPrivilege 748 AzoteLoader_V4.exe Token: SeRemoteShutdownPrivilege 748 AzoteLoader_V4.exe Token: SeUndockPrivilege 748 AzoteLoader_V4.exe Token: SeManageVolumePrivilege 748 AzoteLoader_V4.exe Token: SeImpersonatePrivilege 748 AzoteLoader_V4.exe Token: SeCreateGlobalPrivilege 748 AzoteLoader_V4.exe Token: 33 748 AzoteLoader_V4.exe Token: 34 748 AzoteLoader_V4.exe Token: 35 748 AzoteLoader_V4.exe Token: 36 748 AzoteLoader_V4.exe Token: SeIncreaseQuotaPrivilege 2744 WindowsUpdater.exe Token: SeSecurityPrivilege 2744 WindowsUpdater.exe Token: SeTakeOwnershipPrivilege 2744 WindowsUpdater.exe Token: SeLoadDriverPrivilege 2744 WindowsUpdater.exe Token: SeSystemProfilePrivilege 2744 WindowsUpdater.exe Token: SeSystemtimePrivilege 2744 WindowsUpdater.exe Token: SeProfSingleProcessPrivilege 2744 WindowsUpdater.exe Token: SeIncBasePriorityPrivilege 2744 WindowsUpdater.exe Token: SeCreatePagefilePrivilege 2744 WindowsUpdater.exe Token: SeBackupPrivilege 2744 WindowsUpdater.exe Token: SeRestorePrivilege 2744 WindowsUpdater.exe Token: SeShutdownPrivilege 2744 WindowsUpdater.exe Token: SeDebugPrivilege 2744 WindowsUpdater.exe Token: SeSystemEnvironmentPrivilege 2744 WindowsUpdater.exe Token: SeChangeNotifyPrivilege 2744 WindowsUpdater.exe Token: SeRemoteShutdownPrivilege 2744 WindowsUpdater.exe Token: SeUndockPrivilege 2744 WindowsUpdater.exe Token: SeManageVolumePrivilege 2744 WindowsUpdater.exe Token: SeImpersonatePrivilege 2744 WindowsUpdater.exe Token: SeCreateGlobalPrivilege 2744 WindowsUpdater.exe Token: 33 2744 WindowsUpdater.exe Token: 34 2744 WindowsUpdater.exe Token: 35 2744 WindowsUpdater.exe Token: 36 2744 WindowsUpdater.exe Token: SeIncreaseQuotaPrivilege 2224 iexplore.exe Token: SeSecurityPrivilege 2224 iexplore.exe Token: SeTakeOwnershipPrivilege 2224 iexplore.exe Token: SeLoadDriverPrivilege 2224 iexplore.exe Token: SeSystemProfilePrivilege 2224 iexplore.exe Token: SeSystemtimePrivilege 2224 iexplore.exe Token: SeProfSingleProcessPrivilege 2224 iexplore.exe Token: SeIncBasePriorityPrivilege 2224 iexplore.exe Token: SeCreatePagefilePrivilege 2224 iexplore.exe Token: SeBackupPrivilege 2224 iexplore.exe Token: SeRestorePrivilege 2224 iexplore.exe Token: SeShutdownPrivilege 2224 iexplore.exe Token: SeDebugPrivilege 2224 iexplore.exe Token: SeSystemEnvironmentPrivilege 2224 iexplore.exe Token: SeChangeNotifyPrivilege 2224 iexplore.exe Token: SeRemoteShutdownPrivilege 2224 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2224 iexplore.exe -
Suspicious use of WriteProcessMemory 59 IoCs
description pid Process procid_target PID 748 wrote to memory of 880 748 AzoteLoader_V4.exe 84 PID 748 wrote to memory of 880 748 AzoteLoader_V4.exe 84 PID 748 wrote to memory of 880 748 AzoteLoader_V4.exe 84 PID 748 wrote to memory of 3888 748 AzoteLoader_V4.exe 86 PID 748 wrote to memory of 3888 748 AzoteLoader_V4.exe 86 PID 748 wrote to memory of 3888 748 AzoteLoader_V4.exe 86 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 748 wrote to memory of 3664 748 AzoteLoader_V4.exe 87 PID 3888 wrote to memory of 1424 3888 cmd.exe 89 PID 3888 wrote to memory of 1424 3888 cmd.exe 89 PID 3888 wrote to memory of 1424 3888 cmd.exe 89 PID 880 wrote to memory of 4104 880 cmd.exe 90 PID 880 wrote to memory of 4104 880 cmd.exe 90 PID 880 wrote to memory of 4104 880 cmd.exe 90 PID 748 wrote to memory of 2744 748 AzoteLoader_V4.exe 91 PID 748 wrote to memory of 2744 748 AzoteLoader_V4.exe 91 PID 748 wrote to memory of 2744 748 AzoteLoader_V4.exe 91 PID 2744 wrote to memory of 2224 2744 WindowsUpdater.exe 92 PID 2744 wrote to memory of 2224 2744 WindowsUpdater.exe 92 PID 2744 wrote to memory of 2224 2744 WindowsUpdater.exe 92 PID 2744 wrote to memory of 2224 2744 WindowsUpdater.exe 92 PID 2744 wrote to memory of 2224 2744 WindowsUpdater.exe 92 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 PID 2224 wrote to memory of 1508 2224 iexplore.exe 93 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern WindowsUpdater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" WindowsUpdater.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion WindowsUpdater.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1424 attrib.exe 4104 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AzoteLoader_V4.exe"C:\Users\Admin\AppData\Local\Temp\AzoteLoader_V4.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\AzoteLoader_V4.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\AzoteLoader_V4.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4104
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1424
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3664
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C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\WindowsUpdater.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\WindowsUpdater.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2744 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:1508
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
659KB
MD521480585e472fa8a43e37a1c2bcd00f9
SHA176ac8ac783ece9f1e46b709b314fba6dae4a84da
SHA256fe4852e8283e20665efc4d6944e3af160abafadb39f70b55b9653efa44fbc772
SHA512dca0413b3ae07cd3a057aa9e7b18f46d32fc31be2aedf6705d5cbd3a731d2c1a6899d98f917c6d8ce08630a026537a8e735de0327e6990b48e966a2da2e78853