tofsee | bfdae27eb389ad0a9fe6c4b576f3272913c43cb50d0222e1789b37d8e78fbc7d

Disable or Modify System Firewall

T1562.004

pid	Process
3592	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\nvxsysnd\ImagePath = "C:\\Windows\\SysWOW64\\nvxsysnd\\ayijlhkq.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
1428	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	ayijlhkq.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 2412 set thread context of 1428	2412	ayijlhkq.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
4928	sc.exe
4444	sc.exe
3404	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

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.

execution

Windows Command Shell

T1059.003

pid	Process
5048	cmd.exe
6108	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1968	4908	WerFault.exe	88
2648	2412	WerFault.exe	100

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	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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	ayijlhkq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 4908 wrote to memory of 5048	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89
PID 4908 wrote to memory of 6108	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	91
PID 4908 wrote to memory of 4928	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	93
PID 4908 wrote to memory of 4444	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	96
PID 4908 wrote to memory of 3404	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	98
PID 4908 wrote to memory of 3592	4908	2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	101
PID 2412 wrote to memory of 1428	2412	ayijlhkq.exe	104
PID 2412 wrote to memory of 1428	2412	ayijlhkq.exe	104

C:\Users\Admin\AppData\Local\Temp\2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nvxsysnd\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayijlhkq.exe" C:\Windows\SysWOW64\nvxsysnd\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:6108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nvxsysnd binPath= "C:\Windows\SysWOW64\nvxsysnd\ayijlhkq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nvxsysnd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nvxsysnd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3404
- 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:3592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 620
  2⤵
  - Program crash
  PID:1968

C:\Windows\SysWOW64\nvxsysnd\ayijlhkq.exe
C:\Windows\SysWOW64\nvxsysnd\ayijlhkq.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-31_cef4fb5948691dcda681477a37aea6a6_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 592
  2⤵
  - Program crash
  PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4908 -ip 4908
1⤵
PID:5688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2412 -ip 2412
1⤵
PID:4260

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

3

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

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