Analysis
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max time kernel
149s -
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
30-10-2024 17:22
Behavioral task
behavioral1
Sample
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe
Resource
win10v2004-20241007-en
General
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Target
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe
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Size
23KB
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MD5
13bdc57fb1fa092c7d27f6015047f590
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SHA1
a5804e3c8708c89c349841f60d19a0c47c6bfe38
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SHA256
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01
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SHA512
e104dcbee0e2789fa47e4966aa13f4b200ed202f1b0e1638176d0beb211f86e253cbc2b0c35618c65e21a865d8c90c3c687bfe6c1132af9c40004d85ce601b64
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SSDEEP
384:woWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIp:/7O89p2rRpcnun
Malware Config
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3376 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe -
Executes dropped EXE 1 IoCs
Processes:
server.exepid process 2368 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.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 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
Processes:
netsh.exedescription ioc process 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 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
netsh.exee33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exeserver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe Token: 33 2368 server.exe Token: SeIncBasePriorityPrivilege 2368 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exeserver.exedescription pid process target process PID 4812 wrote to memory of 2368 4812 e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe server.exe PID 4812 wrote to memory of 2368 4812 e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe server.exe PID 4812 wrote to memory of 2368 4812 e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe server.exe PID 2368 wrote to memory of 3376 2368 server.exe netsh.exe PID 2368 wrote to memory of 3376 2368 server.exe netsh.exe PID 2368 wrote to memory of 3376 2368 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe"C:\Users\Admin\AppData\Local\Temp\e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3376
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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
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD513bdc57fb1fa092c7d27f6015047f590
SHA1a5804e3c8708c89c349841f60d19a0c47c6bfe38
SHA256e33afe60edad0f20552256c3c2235fcf059cf457fcf95736ff8718d03e2aef01
SHA512e104dcbee0e2789fa47e4966aa13f4b200ed202f1b0e1638176d0beb211f86e253cbc2b0c35618c65e21a865d8c90c3c687bfe6c1132af9c40004d85ce601b64