Analysis
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max time kernel
114s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2025 12:16
Static task
static1
Behavioral task
behavioral1
Sample
20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
Resource
win10v2004-20250129-en
General
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Target
20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
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Size
120KB
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MD5
0a9088378993c55e870062e3e24c62d0
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SHA1
1c81453c1a0543211f81d10d61a4cb350fb3c7a4
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SHA256
20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003
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SHA512
60d1ff490f1595c060c936ee5abac3f5f0920726053638abb0b9df272924a859c81cc17729edc59170786978df29773a2d791909649154eba76d09dc05c61840
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDLl
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
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reg_key
e1a87040f2026369a233f9ae76301b7b
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splitter
|'|'|
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5024 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe -
Executes dropped EXE 2 IoCs
pid Process 3956 chargeable.exe 2080 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe" 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3956 set thread context of 2080 3956 chargeable.exe 87 -
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.
description 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 4 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 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
description pid Process Token: SeDebugPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe Token: 33 2080 chargeable.exe Token: SeIncBasePriorityPrivilege 2080 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2900 wrote to memory of 3956 2900 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe 86 PID 2900 wrote to memory of 3956 2900 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe 86 PID 2900 wrote to memory of 3956 2900 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe 86 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 3956 wrote to memory of 2080 3956 chargeable.exe 87 PID 2080 wrote to memory of 5024 2080 chargeable.exe 88 PID 2080 wrote to memory of 5024 2080 chargeable.exe 88 PID 2080 wrote to memory of 5024 2080 chargeable.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe"C:\Users\Admin\AppData\Local\Temp\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5024
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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
400B
MD5af005173cce1850423f0f999693487cb
SHA1950bf700178ab02d75b959cf92f1d493acba31ef
SHA25638615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a
SHA512feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc
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Filesize
120KB
MD59a57a7726a7b30f4861d44bdb165bd17
SHA1ba60db3a115fcdbce61dc6ed3d3b5d124adf513c
SHA25671c35d3bb6bd88ecca400f0d4452c342b3e7bb212d0670458c48e523be5c3c23
SHA5124d43a6613471e1a900656b5e5d4cc44ed14498b98c23511067cc249a7afb38159715c7d37043a01d3716fa2b16d549347fa550a9742dff9eb03d318baaeb8684