Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
10-07-2023 12:25
Behavioral task
behavioral1
Sample
01d7dcfc0d43e1a63160c2a2b.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
01d7dcfc0d43e1a63160c2a2b.exe
Resource
win10v2004-20230703-en
General
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Target
01d7dcfc0d43e1a63160c2a2b.exe
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Size
30KB
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MD5
01d7dcfc0d43e1a63160c2a2be09ac3b
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SHA1
b153f050ed9297fe236e5112ce3b4a334b18b135
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SHA256
ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
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SHA512
cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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SSDEEP
768:rSHMXrwpJbb2zxxO5Seqf3isfvUuQmIDUu0tirXj:rlkK9is7QVkaj
Malware Config
Extracted
njrat
0.7d
Bot
77.241.20.215:55915
89a73e3948b3f7c938f6b700b2914080
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reg_key
89a73e3948b3f7c938f6b700b2914080
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splitter
Y262SUCZ4UJJ
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
WindowsServices.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89a73e3948b3f7c938f6b700b2914080.exe WindowsServices.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89a73e3948b3f7c938f6b700b2914080.exe WindowsServices.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsServices.exepid process 1380 WindowsServices.exe -
Loads dropped DLL 2 IoCs
Processes:
01d7dcfc0d43e1a63160c2a2b.exepid process 2420 01d7dcfc0d43e1a63160c2a2b.exe 2420 01d7dcfc0d43e1a63160c2a2b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
WindowsServices.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Windows\CurrentVersion\Run\89a73e3948b3f7c938f6b700b2914080 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\89a73e3948b3f7c938f6b700b2914080 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 21 IoCs
Processes:
WindowsServices.exedescription pid process Token: SeDebugPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe Token: 33 1380 WindowsServices.exe Token: SeIncBasePriorityPrivilege 1380 WindowsServices.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
01d7dcfc0d43e1a63160c2a2b.exeWindowsServices.exedescription pid process target process PID 2420 wrote to memory of 1380 2420 01d7dcfc0d43e1a63160c2a2b.exe WindowsServices.exe PID 2420 wrote to memory of 1380 2420 01d7dcfc0d43e1a63160c2a2b.exe WindowsServices.exe PID 2420 wrote to memory of 1380 2420 01d7dcfc0d43e1a63160c2a2b.exe WindowsServices.exe PID 2420 wrote to memory of 1380 2420 01d7dcfc0d43e1a63160c2a2b.exe WindowsServices.exe PID 1380 wrote to memory of 1504 1380 WindowsServices.exe netsh.exe PID 1380 wrote to memory of 1504 1380 WindowsServices.exe netsh.exe PID 1380 wrote to memory of 1504 1380 WindowsServices.exe netsh.exe PID 1380 wrote to memory of 1504 1380 WindowsServices.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\01d7dcfc0d43e1a63160c2a2b.exe"C:\Users\Admin\AppData\Local\Temp\01d7dcfc0d43e1a63160c2a2b.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WindowsServices.exe"C:\Users\Admin\AppData\Roaming\WindowsServices.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\WindowsServices.exeFilesize
30KB
MD501d7dcfc0d43e1a63160c2a2be09ac3b
SHA1b153f050ed9297fe236e5112ce3b4a334b18b135
SHA256ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
SHA512cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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C:\Users\Admin\AppData\Roaming\WindowsServices.exeFilesize
30KB
MD501d7dcfc0d43e1a63160c2a2be09ac3b
SHA1b153f050ed9297fe236e5112ce3b4a334b18b135
SHA256ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
SHA512cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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C:\Users\Admin\AppData\Roaming\WindowsServices.exeFilesize
30KB
MD501d7dcfc0d43e1a63160c2a2be09ac3b
SHA1b153f050ed9297fe236e5112ce3b4a334b18b135
SHA256ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
SHA512cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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\Users\Admin\AppData\Roaming\WindowsServices.exeFilesize
30KB
MD501d7dcfc0d43e1a63160c2a2be09ac3b
SHA1b153f050ed9297fe236e5112ce3b4a334b18b135
SHA256ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
SHA512cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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\Users\Admin\AppData\Roaming\WindowsServices.exeFilesize
30KB
MD501d7dcfc0d43e1a63160c2a2be09ac3b
SHA1b153f050ed9297fe236e5112ce3b4a334b18b135
SHA256ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7
SHA512cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59
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memory/2420-54-0x00000000000B0000-0x00000000000F0000-memory.dmpFilesize
256KB