tofsee | 27aeb857a2a15b4f91762221219e49e4b9193843ed97ef206f0229005aa1dddf

Disable or Modify System Firewall

T1562.004

pid	Process
4632	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.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

persistence privilege_escalation

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\hsnkrlvb\ImagePath = "C:\\Windows\\SysWOW64\\hsnkrlvb\\zfxmrkb.exe"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
3976	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3832	zfxmrkb.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3832 set thread context of 3976	3832	zfxmrkb.exe	98

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4264	sc.exe
1092	sc.exe
220	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

Netsh Helper DLL

T1546.007

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
1224	5168	WerFault.exe	80
2884	3832	WerFault.exe	92

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	zfxmrkb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5168 wrote to memory of 5188	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	81
PID 5168 wrote to memory of 3024	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	83
PID 5168 wrote to memory of 4264	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	85
PID 5168 wrote to memory of 1092	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	88
PID 5168 wrote to memory of 220	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	90
PID 5168 wrote to memory of 4632	5168	2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe	93
PID 3832 wrote to memory of 3976	3832	zfxmrkb.exe	98
PID 3832 wrote to memory of 3976	3832	zfxmrkb.exe	98

C:\Users\Admin\AppData\Local\Temp\2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hsnkrlvb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zfxmrkb.exe" C:\Windows\SysWOW64\hsnkrlvb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hsnkrlvb binPath= "C:\Windows\SysWOW64\hsnkrlvb\zfxmrkb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hsnkrlvb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1092
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hsnkrlvb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:220
- 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>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5168 -s 1280
  2⤵
  - Program crash
  PID:1224

C:\Windows\SysWOW64\hsnkrlvb\zfxmrkb.exe
C:\Windows\SysWOW64\hsnkrlvb\zfxmrkb.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-06-02_2de62de18968f87a7e01d48380b1c42f_amadey_elex_njrat_redline-stealer_rhadamanthys_smoke-loader_stop_tofsee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 548
  2⤵
  - Program crash
  PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5168 -ip 5168
1⤵
PID:4132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3832 -ip 3832
1⤵
PID:236

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop