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Analysis
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max time kernel
45s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23/11/2024, 08:24
Behavioral task
behavioral1
Sample
1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe
Resource
win10v2004-20241007-en
General
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Target
1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe
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Size
93KB
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MD5
f7f745caed820795ba80e629ba4bbbca
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SHA1
3af0797e467d67dd5ffc45c8954afd468989d84b
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SHA256
1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15
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SHA512
b8b2cbe7a7d7ffb7f6a66972dd73c24302455d7dc7a63d11cb4cdf2980ebea0efbea32343a3167b9f727f86a4fee6188fc71f427a21665978bfec8fbcb6907dd
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SSDEEP
1536:s4UpR8lZc+/2HK1j+fTd5jEwzGi1dDWD5gS4:s4UpKc+/2HK1oTdWi1dQ2p
Malware Config
Extracted
njrat
0.7d
HacKed
hakim32.ddns.net:2000
78.156.229.8:7777
31a76954e6446acb903929bf0d0d71d9
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reg_key
31a76954e6446acb903929bf0d0d71d9
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splitter
|'|'|
Signatures
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Njrat family
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 9 IoCs
pid Process 2008 netsh.exe 2804 netsh.exe 2432 netsh.exe 1204 netsh.exe 1028 netsh.exe 832 netsh.exe 1632 netsh.exe 2000 netsh.exe 1284 netsh.exe -
Drops startup file 8 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31a76954e6446acb903929bf0d0d71d9Windows Update.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31a76954e6446acb903929bf0d0d71d9Windows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31a76954e6446acb903929bf0d0d71d9Windows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31a76954e6446acb903929bf0d0d71d9Windows Update.exe server.exe -
Executes dropped EXE 6 IoCs
pid Process 2880 server.exe 2316 svchost.exe 2872 server.exe 2220 svchost.exe 2460 server.exe 1032 svchost.exe -
Loads dropped DLL 12 IoCs
pid Process 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 2880 server.exe 2880 server.exe 2316 svchost.exe 2316 svchost.exe 2872 server.exe 2872 server.exe 2220 svchost.exe 2220 svchost.exe 2460 server.exe 2460 server.exe -
Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf server.exe File opened for modification C:\autorun.inf server.exe File created F:\autorun.inf server.exe File opened for modification F:\autorun.inf server.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 27 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 16 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 server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe 2880 server.exe -
Suspicious behavior: GetForegroundWindowSpam 3 IoCs
pid Process 2880 server.exe 2872 server.exe 2460 server.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2880 server.exe Token: SeDebugPrivilege 2872 server.exe Token: SeDebugPrivilege 2460 server.exe -
Suspicious use of WriteProcessMemory 60 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2880 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 30 PID 2536 wrote to memory of 2880 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 30 PID 2536 wrote to memory of 2880 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 30 PID 2536 wrote to memory of 2880 2536 1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe 30 PID 2880 wrote to memory of 2804 2880 server.exe 31 PID 2880 wrote to memory of 2804 2880 server.exe 31 PID 2880 wrote to memory of 2804 2880 server.exe 31 PID 2880 wrote to memory of 2804 2880 server.exe 31 PID 2880 wrote to memory of 832 2880 server.exe 33 PID 2880 wrote to memory of 832 2880 server.exe 33 PID 2880 wrote to memory of 832 2880 server.exe 33 PID 2880 wrote to memory of 832 2880 server.exe 33 PID 2880 wrote to memory of 1632 2880 server.exe 34 PID 2880 wrote to memory of 1632 2880 server.exe 34 PID 2880 wrote to memory of 1632 2880 server.exe 34 PID 2880 wrote to memory of 1632 2880 server.exe 34 PID 2880 wrote to memory of 2316 2880 server.exe 37 PID 2880 wrote to memory of 2316 2880 server.exe 37 PID 2880 wrote to memory of 2316 2880 server.exe 37 PID 2880 wrote to memory of 2316 2880 server.exe 37 PID 2316 wrote to memory of 2872 2316 svchost.exe 38 PID 2316 wrote to memory of 2872 2316 svchost.exe 38 PID 2316 wrote to memory of 2872 2316 svchost.exe 38 PID 2316 wrote to memory of 2872 2316 svchost.exe 38 PID 2872 wrote to memory of 2000 2872 server.exe 39 PID 2872 wrote to memory of 2000 2872 server.exe 39 PID 2872 wrote to memory of 2000 2872 server.exe 39 PID 2872 wrote to memory of 2000 2872 server.exe 39 PID 2872 wrote to memory of 2432 2872 server.exe 41 PID 2872 wrote to memory of 2432 2872 server.exe 41 PID 2872 wrote to memory of 2432 2872 server.exe 41 PID 2872 wrote to memory of 2432 2872 server.exe 41 PID 2872 wrote to memory of 1204 2872 server.exe 42 PID 2872 wrote to memory of 1204 2872 server.exe 42 PID 2872 wrote to memory of 1204 2872 server.exe 42 PID 2872 wrote to memory of 1204 2872 server.exe 42 PID 2872 wrote to memory of 2220 2872 server.exe 45 PID 2872 wrote to memory of 2220 2872 server.exe 45 PID 2872 wrote to memory of 2220 2872 server.exe 45 PID 2872 wrote to memory of 2220 2872 server.exe 45 PID 2220 wrote to memory of 2460 2220 svchost.exe 46 PID 2220 wrote to memory of 2460 2220 svchost.exe 46 PID 2220 wrote to memory of 2460 2220 svchost.exe 46 PID 2220 wrote to memory of 2460 2220 svchost.exe 46 PID 2460 wrote to memory of 1284 2460 server.exe 47 PID 2460 wrote to memory of 1284 2460 server.exe 47 PID 2460 wrote to memory of 1284 2460 server.exe 47 PID 2460 wrote to memory of 1284 2460 server.exe 47 PID 2460 wrote to memory of 1028 2460 server.exe 49 PID 2460 wrote to memory of 1028 2460 server.exe 49 PID 2460 wrote to memory of 1028 2460 server.exe 49 PID 2460 wrote to memory of 1028 2460 server.exe 49 PID 2460 wrote to memory of 2008 2460 server.exe 51 PID 2460 wrote to memory of 2008 2460 server.exe 51 PID 2460 wrote to memory of 2008 2460 server.exe 51 PID 2460 wrote to memory of 2008 2460 server.exe 51 PID 2460 wrote to memory of 1032 2460 server.exe 53 PID 2460 wrote to memory of 1032 2460 server.exe 53 PID 2460 wrote to memory of 1032 2460 server.exe 53 PID 2460 wrote to memory of 1032 2460 server.exe 53
Processes
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C:\Users\Admin\AppData\Local\Temp\1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe"C:\Users\Admin\AppData\Local\Temp\1d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Drops autorun.inf file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2804
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:832
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1632
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C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"4⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE5⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2000
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"5⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2432
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE5⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1204
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C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"6⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE7⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1284
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"7⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1028
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE7⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2008
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C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1032
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
41B
MD5964ddaa3491c746b5ef7e7fb6b653384
SHA11bb95b5f8f514d2840cf399812631f2838979452
SHA256157eee8b1b5ad0c0beac03f59dc40c5326eae961d495cde8deb3625537810adb
SHA512a06d3735cc7e5c707b52082a061eeb0fd2298c7bdc9ff476de1d0062ae716a6ed757d3aba6e7f36d76dbe0e69349c6bef7e3f840c0516500ddd0bf0d90497752
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Filesize
5B
MD5c2844bc9e1bd64168a727b0680ae4d90
SHA17bb263540de557f5a4e09c6c78b7dbb314a0df9a
SHA2569c9701ab918368b615fc6a0dbeb5efa286a232d751982ae70b48ad6914bf01e5
SHA512360953bb20d91539022fcb1becf4638970c4452816797a8dca65e3ae4a542302e6e89f0828087caaa63a0750aa78605f8034da7c8663fa4fc677c8f3e53655ed
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Filesize
93KB
MD5f7f745caed820795ba80e629ba4bbbca
SHA13af0797e467d67dd5ffc45c8954afd468989d84b
SHA2561d34e2601766e0950cbd90e75e70306b475489e31c8cc2bee00c70b887e4ae15
SHA512b8b2cbe7a7d7ffb7f6a66972dd73c24302455d7dc7a63d11cb4cdf2980ebea0efbea32343a3167b9f727f86a4fee6188fc71f427a21665978bfec8fbcb6907dd