Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/07/2026, 04:35
Static task
static1
Behavioral task
behavioral1
Sample
2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11ltsc2024-20260706-en
General
- Target 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 11.7MB
- Sample260708-e7sv4sbw7k
- SHA256 2d92f940cfa224c488b5a23a5e98406f357b2fc8dee852f6b4094c79dd6d4366
- MD5 6194214b1cf5648cb4c1cd5d04b1aab7
- SHA1 18f8031e6f008f7999b542c4b0f7e927ba445f19
- SHA512 2aa96ecad08c419b4a3b4a347fb16403dd819a5649f98741cb1ee99e7b3c11f30c5f0387f194a815460d8fa1b2c5c901e72d97e64489d1b0ab152420bb1769b7
- SSDEEP 6144:xIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCn:WEidhAglQhyupLer5+nZo
- TLSH T1FCC6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3740 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\pgicudx\ImagePath = "C:\\Windows\\SysWOW64\\pgicudx\\pyepncu.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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 2380 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 2324 pyepncu.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2324 set thread context of 2380 2324 pyepncu.exe 99 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4988 sc.exe 4528 sc.exe 4360 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 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 - Program crash 2 IoCs
pid pid_target Process procid_target 4672 2324 WerFault.exe 98 3692 3900 WerFault.exe 86 - 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 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pyepncu.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3900 wrote to memory of 4500 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 87 PID 3900 wrote to memory of 5108 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 89 PID 3900 wrote to memory of 4988 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 91 PID 3900 wrote to memory of 4528 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 94 PID 3900 wrote to memory of 4360 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 96 PID 2324 wrote to memory of 2380 2324 pyepncu.exe 99 PID 2324 wrote to memory of 2380 2324 pyepncu.exe 99 PID 3900 wrote to memory of 3740 3900 2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_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:3900 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pgicudx\2⤵
- System Location Discovery: System Language Discovery
PID:4500
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pyepncu.exe" C:\Windows\SysWOW64\pgicudx\2⤵
- System Location Discovery: System Language Discovery
PID:5108
-
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create pgicudx binPath= "C:\Windows\SysWOW64\pgicudx\pyepncu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_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:4988
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description pgicudx "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4528
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start pgicudx2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4360
-
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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:3740
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 12282⤵
- Program crash
PID:3692
-
-
C:\Windows\SysWOW64\pgicudx\pyepncu.exeC:\Windows\SysWOW64\pgicudx\pyepncu.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-07-08_6194214b1cf5648cb4c1cd5d04b1aab7_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:2324 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2380
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 5122⤵
- Program crash
PID:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2324 -ip 23241⤵PID:4492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3900 -ip 39001⤵PID:712
Network
MITRE ATT&CK Enterprise v16
Persistence
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\pyepncu.exe
- Size 10.9MB
- SHA256 8375c8dc94e76e660a2b8ff5dcad6fdf57fb2cd2e94b559333bfbf194a59b6d5
- MD5 6c4b07df1759155f045eb0631e14f1fa
- SHA1 1f0e23b1e996deba6d1d5232a3007ff594e7a085
- SHA512 d262bd5065a1b1a88c8be4fbfe6510c698c36ff42d859c5b14be9790160ab8f6b975a5a18a2190e58a0e6f2adf58bc03be5dd2d1b2fe519760dcca1a762550df
- SSDEEP 6144:VIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCi:yEidhAglQhyupLer5+nZo
- TLSH T1BBC6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH