Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/05/2026, 21:53
Static task
static1
Behavioral task
behavioral1
Sample
2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11-20260513-en
General
- Target 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 14.0MB
- Sample260531-1rt9wsbv5k
- SHA256 fb4675454c9f7903876001feb0a4dd5e2a7d20c9c87102c1c671894be04cae28
- MD5 99178cee2d563d6b7b8847764bc1b092
- SHA1 807fe1743cdc00e68802dbc0010fe7bffe84843f
- SHA512 bfcf0325730c6f6c241896b4575ce6e648e83644c8ef6c40660b624f06df74eeb111c3b74bd58012bf666b75681652ab8178648daef18d0f1a27f4c85730232a
- SSDEEP 6144:TIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCn:MEidhAglQhyupLer5+nZo
- TLSH T111E6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5368 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\mtoggcgf\ImagePath = "C:\\Windows\\SysWOW64\\mtoggcgf\\ecmnplou.exe" svchost.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 5096 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 2752 ecmnplou.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2752 set thread context of 5096 2752 ecmnplou.exe 92 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3300 sc.exe 5836 sc.exe 4456 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 4552 2752 WerFault.exe 91 396 4936 WerFault.exe 79 - 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-31_99178cee2d563d6b7b8847764bc1b092_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 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 ecmnplou.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4936 wrote to memory of 5356 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 80 PID 4936 wrote to memory of 5180 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 82 PID 4936 wrote to memory of 3300 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 84 PID 4936 wrote to memory of 5836 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 87 PID 4936 wrote to memory of 4456 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 89 PID 2752 wrote to memory of 5096 2752 ecmnplou.exe 92 PID 2752 wrote to memory of 5096 2752 ecmnplou.exe 92 PID 4936 wrote to memory of 5368 4936 2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-31_99178cee2d563d6b7b8847764bc1b092_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mtoggcgf\2⤵
- System Location Discovery: System Language Discovery
PID:5356
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ecmnplou.exe" C:\Windows\SysWOW64\mtoggcgf\2⤵
- System Location Discovery: System Language Discovery
PID:5180
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create mtoggcgf binPath= "C:\Windows\SysWOW64\mtoggcgf\ecmnplou.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-05-31_99178cee2d563d6b7b8847764bc1b092_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:3300
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description mtoggcgf "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5836
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start mtoggcgf2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4456
-
-
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:5368
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 8162⤵
- Program crash
PID:396
-
-
C:\Windows\SysWOW64\mtoggcgf\ecmnplou.exeC:\Windows\SysWOW64\mtoggcgf\ecmnplou.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-05-31_99178cee2d563d6b7b8847764bc1b092_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:2752 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:5096
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 5402⤵
- Program crash
PID:4552
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2752 -ip 27521⤵PID:1056
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4936 -ip 49361⤵PID:5364
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
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ecmnplou.exe
- Size 12.0MB
- SHA256 88eb0888de4653c89c256104d06967a854a0b47c27fc11a495fc366672731f16
- MD5 72910556c594ee72328e93ed1e7bc540
- SHA1 462709bfc46b4b7d936f3d773d34fc178377db6e
- SHA512 ea3fff8f9b37bbd00c81429667fac501eded1d1dd464c5a19964c6a53bf02c0709788e99a3e713e24e7f76ff2c091c800a37b139e3e36f2b1fef2515ff0e9a10
- SSDEEP 6144:jIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCC:cEidhAglQhyupLer5+nZo
- TLSH T1E2D6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH