Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/08/2026, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11ltsc2024-20260710-en
General
- Target 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 10.0MB
- Sample260824-x94phasfpf
- SHA256 22a366416622f60fd7b9cbf12831f7854cc1778f6a06c50e7c9e85b47fccdce3
- MD5 f8c46ff6571bf3bdc6f693903101e455
- SHA1 f08366b35889580bae819a87c5155c00494e6413
- SHA512 6951a7b5e80ba8f9a916a5c4981ddfbba7087a156d0fcdcd7ca292d849d8f416fd27af2c4c1fca09081bbd3a069fc0cdb014e8f3c2c3a5f4124f9bca5d5c154b
- SSDEEP 6144:jIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCi:cEidhAglQhyupLer5+nZo
- TLSH T180B6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3588 netsh.exe - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\qwddnqjk\ImagePath = "C:\\Windows\\SysWOW64\\qwddnqjk\\wujrkavr.exe" svchost.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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 2652 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 3436 wujrkavr.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3436 set thread context of 2652 3436 wujrkavr.exe 99 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4164 sc.exe 3128 sc.exe 2840 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2072 cmd.exe 3828 cmd.exe - Program crash 2 IoCs
pid pid_target Process procid_target 4532 2800 WerFault.exe 83 896 3436 WerFault.exe 95 - System Location Discovery: System Language Discovery 1 TTPs 9 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wujrkavr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2800 wrote to memory of 2072 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 84 PID 2800 wrote to memory of 3828 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 86 PID 2800 wrote to memory of 4164 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 88 PID 2800 wrote to memory of 3128 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 90 PID 2800 wrote to memory of 2840 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 92 PID 2800 wrote to memory of 3588 2800 2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 96 PID 3436 wrote to memory of 2652 3436 wujrkavr.exe 99 PID 3436 wrote to memory of 2652 3436 wujrkavr.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qwddnqjk\2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2072
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wujrkavr.exe" C:\Windows\SysWOW64\qwddnqjk\2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3828
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-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create qwddnqjk binPath= "C:\Windows\SysWOW64\qwddnqjk\wujrkavr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4164
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description qwddnqjk "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3128
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start qwddnqjk2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2840
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3588
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 10362⤵
- Program crash
PID:4532
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C:\Windows\SysWOW64\qwddnqjk\wujrkavr.exeC:\Windows\SysWOW64\qwddnqjk\wujrkavr.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-24_f8c46ff6571bf3bdc6f693903101e455_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2652
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 5322⤵
- Program crash
PID:896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3436 -ip 34361⤵PID:2552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2800 -ip 28001⤵PID:4740
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\wujrkavr.exe
- Size 12.4MB
- SHA256 d902e581b0ab8ce56fb89d418ffbf330af216a42ed6ca66f1b7bae00b2b2307f
- MD5 1ddda19b4378eb92660a868333600f3b
- SHA1 60293ea3f9fddfa7aa6beeaf5b36f8cb0193533e
- SHA512 c8b1dc77f9260e2d8ece4496a8e6c8a0d73a24fa5ec31e2a55c0960cdc07d77a95b4c7b1e749727defad3d44950892fd1575434de452ffdbe258d7e186674cd3
- SSDEEP 6144:4Izw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCn:/EidhAglQhyupLer5+nZo
- TLSH T1A5D6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH