Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2024 07:18
Behavioral task
behavioral1
Sample
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe
Resource
win10v2004-20241007-en
General
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Target
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe
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Size
23KB
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MD5
99995ba51fe1941253e6bc5bf4f3a2d3
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SHA1
267dd148b5f1a6a60a586e77a715dded3fcd11f5
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SHA256
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19
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SHA512
70a595765c112aa5ff7b2e3930f16e49e0a16d590bfb7617673588b4472e0672cc05ec8fd1109b28cf11303929d172a8deb2d2763ae6f4c6b71f57370e59ab45
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SSDEEP
384:poWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZI7L:+7O89p2rRpcnuFL
Malware Config
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1156 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe -
Executes dropped EXE 1 IoCs
Processes:
server.exepid Process 2808 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-1-5-21-4089630652-1596403869-279772308-1000\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:
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exeserver.exenetsh.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
server.exedescription pid Process Token: SeDebugPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe Token: 33 2808 server.exe Token: SeIncBasePriorityPrivilege 2808 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exeserver.exedescription pid Process procid_target PID 1044 wrote to memory of 2808 1044 404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe 85 PID 1044 wrote to memory of 2808 1044 404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe 85 PID 1044 wrote to memory of 2808 1044 404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe 85 PID 2808 wrote to memory of 1156 2808 server.exe 89 PID 2808 wrote to memory of 1156 2808 server.exe 89 PID 2808 wrote to memory of 1156 2808 server.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe"C:\Users\Admin\AppData\Local\Temp\404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044 -
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:2808 -
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:1156
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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
MD599995ba51fe1941253e6bc5bf4f3a2d3
SHA1267dd148b5f1a6a60a586e77a715dded3fcd11f5
SHA256404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19
SHA51270a595765c112aa5ff7b2e3930f16e49e0a16d590bfb7617673588b4472e0672cc05ec8fd1109b28cf11303929d172a8deb2d2763ae6f4c6b71f57370e59ab45