Analysis
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max time kernel
149s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 01:22
Behavioral task
behavioral1
Sample
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe
Resource
win10v2004-20240426-en
General
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Target
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe
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Size
23KB
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MD5
ef3997fba7e285c97c28140e51928249
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SHA1
66734f8816697b868d9dd1dafb49ad1c3a153755
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SHA256
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668
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SHA512
5422450cc95c23bffd47ba84acd489ac3997ffdb3851c167fb6925ca011afa0be5d0ed0a619b095cd3ee1f52ea9d14000e864b2cd577ab301ee65714cc7c1966
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SSDEEP
384:68aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZZr:9Xcwt3tRpcnu6
Malware Config
Extracted
njrat
0.7d
t1
10.9.203.254:3131
969f98392400891a1a1da27da68a2a1d
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reg_key
969f98392400891a1a1da27da68a2a1d
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2672 netsh.exe -
Drops startup file 2 IoCs
Processes:
notepad.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\969f98392400891a1a1da27da68a2a1d.exe notepad.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\969f98392400891a1a1da27da68a2a1d.exe notepad.exe -
Executes dropped EXE 1 IoCs
Processes:
notepad.exepid process 2340 notepad.exe -
Loads dropped DLL 2 IoCs
Processes:
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exepid process 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
notepad.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\969f98392400891a1a1da27da68a2a1d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\notepad.exe\" .." notepad.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\969f98392400891a1a1da27da68a2a1d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\notepad.exe\" .." notepad.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
notepad.exedescription pid process Token: SeDebugPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe Token: 33 2340 notepad.exe Token: SeIncBasePriorityPrivilege 2340 notepad.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exenotepad.exedescription pid process target process PID 2352 wrote to memory of 2340 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe notepad.exe PID 2352 wrote to memory of 2340 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe notepad.exe PID 2352 wrote to memory of 2340 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe notepad.exe PID 2352 wrote to memory of 2340 2352 3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe notepad.exe PID 2340 wrote to memory of 2672 2340 notepad.exe netsh.exe PID 2340 wrote to memory of 2672 2340 notepad.exe netsh.exe PID 2340 wrote to memory of 2672 2340 notepad.exe netsh.exe PID 2340 wrote to memory of 2672 2340 notepad.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe"C:\Users\Admin\AppData\Local\Temp\3ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\notepad.exe"C:\Users\Admin\AppData\Local\Temp\notepad.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\notepad.exe" "notepad.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2672
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
1Replay Monitor
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Downloads
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Filesize
23KB
MD5ef3997fba7e285c97c28140e51928249
SHA166734f8816697b868d9dd1dafb49ad1c3a153755
SHA2563ce2612c8d59e06c0aac8e466e37efd8d07a2c4c91e5c894e44d8ec069aac668
SHA5125422450cc95c23bffd47ba84acd489ac3997ffdb3851c167fb6925ca011afa0be5d0ed0a619b095cd3ee1f52ea9d14000e864b2cd577ab301ee65714cc7c1966