Analysis
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max time kernel
116s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 20:39
Static task
static1
Behavioral task
behavioral1
Sample
31bb4a299ec1bdeceef2ce35b9d28750N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
31bb4a299ec1bdeceef2ce35b9d28750N.exe
Resource
win10v2004-20240802-en
General
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Target
31bb4a299ec1bdeceef2ce35b9d28750N.exe
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Size
118KB
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MD5
31bb4a299ec1bdeceef2ce35b9d28750
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SHA1
ef94ad27c4605c6d499237f72cbba44848454b87
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SHA256
af9bf280613d5c0a55a543573fa943191ac171c6e36ab8ba474abc3d32572bc0
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SHA512
3bf5cfe3786e27fd9848ca3c7757313fd1ef8a99427520202ac6dc58ec11505b301bf44e5a1b2ad2eb0d755a0a2c40b0e31403f8904c0e66740638d16b09ab31
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOK:P5eznsjsguGDFqGZ2rDL14FOK
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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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2964 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
31bb4a299ec1bdeceef2ce35b9d28750N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 31bb4a299ec1bdeceef2ce35b9d28750N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4472 chargeable.exe 1644 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
31bb4a299ec1bdeceef2ce35b9d28750N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 31bb4a299ec1bdeceef2ce35b9d28750N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\31bb4a299ec1bdeceef2ce35b9d28750N.exe" 31bb4a299ec1bdeceef2ce35b9d28750N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4472 set thread context of 1644 4472 chargeable.exe chargeable.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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
31bb4a299ec1bdeceef2ce35b9d28750N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31bb4a299ec1bdeceef2ce35b9d28750N.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
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe Token: 33 1644 chargeable.exe Token: SeIncBasePriorityPrivilege 1644 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
31bb4a299ec1bdeceef2ce35b9d28750N.exechargeable.exechargeable.exedescription pid process target process PID 3400 wrote to memory of 4472 3400 31bb4a299ec1bdeceef2ce35b9d28750N.exe chargeable.exe PID 3400 wrote to memory of 4472 3400 31bb4a299ec1bdeceef2ce35b9d28750N.exe chargeable.exe PID 3400 wrote to memory of 4472 3400 31bb4a299ec1bdeceef2ce35b9d28750N.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 4472 wrote to memory of 1644 4472 chargeable.exe chargeable.exe PID 1644 wrote to memory of 2964 1644 chargeable.exe netsh.exe PID 1644 wrote to memory of 2964 1644 chargeable.exe netsh.exe PID 1644 wrote to memory of 2964 1644 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\31bb4a299ec1bdeceef2ce35b9d28750N.exe"C:\Users\Admin\AppData\Local\Temp\31bb4a299ec1bdeceef2ce35b9d28750N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400 -
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:4472 -
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:1644 -
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:2964
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:81⤵PID:1668
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
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
118KB
MD566d531a97333692d50de92ccebc0f0bf
SHA1bbbc4b592e4ba78447bf2c66c6dd1ae5a1aced63
SHA2566c80f77517805284b92dab1fde9cb521b08de10a52f4b7223057728bb46d0506
SHA512e4e0f4742468ad43cd7c9dad39393a6da20705dd608c78214c34b2d9743146ba793c92566be5f9acd50cacf887a79f6014b59434dc74e2b1cb5f8f8003a8a863