tofsee | 49329286310ccf27c2cf5e45109daa2b59181cf88e87f95bd038482e48db1c5c

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 03:58

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General

Target
2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 15.0MB
Sample260808-ejj83abf43
SHA256 49329286310ccf27c2cf5e45109daa2b59181cf88e87f95bd038482e48db1c5c
MD5 21973fd8fb5e02c7ba008cc3b7e04ed9
SHA1 358544d7cdb3f0f4de00247618a002b8c24d6ab6
SHA512 0306a932bc9f04ed9d7ecb77bd5de320d180887c0c314823e4d834c694c6c62cd06df79d129d9a0b21e6366c0afb0dff309e43d93b61571e46afb5730f89e195
SSDEEP 3072:LsXLLViObJLO9Dpqs4XzM9lOp7LCHI3lwQ4fVUxfhuC9+QoZ5G2F5QoQb:MLLViWJLO1zczM9lOpSHILcV8N9+Ay
TLSH
T10AF629388A608555C03ED6BE320CBB4186BEEE81E384997A26074DD4DB235F54DDDF2B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

vanaheim.cn
jotunheim.name

Signatures

Family: Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4692	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

T1543.003

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
3692	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5060	xjrouhnl.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 5060 set thread context of 3692	5060	xjrouhnl.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
2124	sc.exe
1232	sc.exe
1808	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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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
2320	cmd.exe
3892	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2740	3352	WerFault.exe	86
1776	5060	WerFault.exe	98

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	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_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	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	xjrouhnl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 2320	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	87
PID 3352 wrote to memory of 3892	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89
PID 3352 wrote to memory of 2124	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	91
PID 3352 wrote to memory of 1232	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	93
PID 3352 wrote to memory of 1808	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	96
PID 3352 wrote to memory of 4692	3352	2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	99
PID 5060 wrote to memory of 3692	5060	xjrouhnl.exe	103
PID 5060 wrote to memory of 3692	5060	xjrouhnl.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iniltim\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xjrouhnl.exe" C:\Windows\SysWOW64\iniltim\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create iniltim binPath= "C:\Windows\SysWOW64\iniltim\xjrouhnl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_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:2124
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description iniltim "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start iniltim
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1808
- 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:4692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 784
  2⤵
  - Program crash
  PID:2740

C:\Windows\SysWOW64\iniltim\xjrouhnl.exe
C:\Windows\SysWOW64\iniltim\xjrouhnl.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-08_21973fd8fb5e02c7ba008cc3b7e04ed9_amadey_elex_redline-stealer_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:5060
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 532
  2⤵
  - Program crash
  PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3352 -ip 3352
1⤵
PID:1200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5060 -ip 5060
1⤵
PID:1084

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

xjrouhnl.exe

Path C:\Users\Admin\AppData\Local\Temp\xjrouhnl.exe
Size 11.7MB
SHA256 e1e0212229d9cf09dd2be64b1233fe9d970f284548a1c30c0845a606d45bed43
MD5 44b15859917623bba5d26cf10a665f86
SHA1 f7706a17430a9726b47f3833eda50f1170a83735
SHA512 dbaf834625c452e789392f94bcad8f265aec5856b9f6a0c7151945e4a944238a32e77374ece9945d5cd5a1e3491293ba454eb461ca72a1a244594fe4cb1f4b71
SSDEEP 3072:PsXLLViObJLO9Dpqs4XzM9lOp7LCHI3lwQ4fVUxfhuC9+QoZ5G2F5QoQb:QLLViWJLO1zczM9lOpSHILcV8N9+Ay
TLSH
T138C629348A608555C03ED6BE320CBB4186BEEE81E3849A7A26074DD4DB235F54DDDF2B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3352-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

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memory/3352-2-0x0000000000640000-0x0000000000653000-memory.dmp

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memory/3352-13-0x0000000000400000-0x00000000004F7000-memory.dmp

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memory/3692-9-0x0000000000320000-0x0000000000335000-memory.dmp

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memory/3692-12-0x0000000000320000-0x0000000000335000-memory.dmp

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memory/3692-15-0x0000000000320000-0x0000000000335000-memory.dmp

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memory/3692-16-0x0000000000320000-0x0000000000335000-memory.dmp

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memory/3692-17-0x0000000000320000-0x0000000000335000-memory.dmp

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memory/5060-8-0x0000000000DC0000-0x0000000000DD3000-memory.dmp

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memory/5060-7-0x00000000006F0000-0x00000000007F0000-memory.dmp

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memory/5060-14-0x0000000000400000-0x00000000004F7000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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