tofsee | 51664dbc4aba91f2f3b5771993a16e26c818987b421b42b06053aab5fda7f4d1

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/08/2026, 05:15

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe
Size 11.3MB
Sample260815-fxrezadh88
SHA256 51664dbc4aba91f2f3b5771993a16e26c818987b421b42b06053aab5fda7f4d1
MD5 dab905d50792311a0111795b854b5d6e
SHA1 4f4f1aa49d88871f18f0c6e6dd6af937360883f6
SHA512 6d35f5b1ace7d50d315c6db5f4232b02bfda1d30e39bea6a94a5ffe48e6f879e50333f255e2474cac2ea186e11609df720bbe51de5094891e1022f035ebc9e0e
SSDEEP 3072:nurXX+PBiSWHn9SBwcA/Z80HN1TFEGP8HOfwjQ6bdFor3Yz+HKa13jjjjjjjjjjH:EXVSOn9SBKh/TFEGBfw9vo7FHKa
TLSH
T128C6EA617BF2A045F7FBCA3666314958AB37FC6BF96AC31F20448A5B1C21681CD46B13
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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ihccnqfx = "0"	svchost.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1188	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\ihccnqfx\ImagePath = "C:\\Windows\\SysWOW64\\ihccnqfx\\coerfewa.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
5768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	coerfewa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 5768	3040	coerfewa.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1924	sc.exe
3400	sc.exe
2340	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 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
4920	cmd.exe
3084	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1360	3040	WerFault.exe	100
3928	5816	WerFault.exe	88

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	cmd.exe
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	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	coerfewa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5816 wrote to memory of 4920	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	89
PID 5816 wrote to memory of 3084	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	91
PID 5816 wrote to memory of 2340	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	93
PID 5816 wrote to memory of 1924	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	95
PID 5816 wrote to memory of 3400	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	98
PID 3040 wrote to memory of 5768	3040	coerfewa.exe	101
PID 3040 wrote to memory of 5768	3040	coerfewa.exe	101
PID 5816 wrote to memory of 1188	5816	2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ihccnqfx\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\coerfewa.exe" C:\Windows\SysWOW64\ihccnqfx\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ihccnqfx binPath= "C:\Windows\SysWOW64\ihccnqfx\coerfewa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ihccnqfx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ihccnqfx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3400
- 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:1188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5816 -s 1092
  2⤵
  - Program crash
  PID:3928

C:\Windows\SysWOW64\ihccnqfx\coerfewa.exe
C:\Windows\SysWOW64\ihccnqfx\coerfewa.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-15_dab905d50792311a0111795b854b5d6e_amadey_elex_rhadamanthys_smoke-loader_stealc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- 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:5768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 592
  2⤵
  - Program crash
  PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3040 -ip 3040
1⤵
PID:1520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5816 -ip 5816
1⤵
PID:2608

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

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

coerfewa.exe

Path C:\Users\Admin\AppData\Local\Temp\coerfewa.exe
Size 10.3MB
SHA256 a1c797be5d15a235e1f5b2160e0a089d077dab42b00dc23bfb357e48aa205392
MD5 849e1f9868d997aa9c609981c677195e
SHA1 61b04cbdbd6717a1351bdc7192aff279ee8774ed
SHA512 78ffcc1e945f4e4268bedd7a7ae88def17d51fbf69d50d7a55b302e9090d2f34b3d4646758c4bf0cbd3e2ed359150ae14df8b62e198d9da632bab777c31ab64b
SSDEEP 3072:MurXX+PBiSWHn9SBwcA/Z80HN1TFEGP8HOfwjQ6bdFor3Yz+HKa13jjjjjjjjjjv:lXVSOn9SBKh/TFEGBfw9vo7FHKa
TLSH
T167B6EA617BF2A045F7FBCA3666314958AB37FC6BF96AC31F20448A5B1C21681CD46B13
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3040-8-0x0000000001130000-0x0000000001143000-memory.dmp

Download

memory/3040-7-0x0000000000920000-0x0000000000A20000-memory.dmp

Download

memory/3040-13-0x0000000000400000-0x000000000070F000-memory.dmp

Download

memory/5768-9-0x0000000000AB0000-0x0000000000AC5000-memory.dmp

Download

memory/5768-12-0x0000000000AB0000-0x0000000000AC5000-memory.dmp

Download

memory/5768-15-0x0000000000AB0000-0x0000000000AC5000-memory.dmp

Download

memory/5768-16-0x0000000000AB0000-0x0000000000AC5000-memory.dmp

Download

memory/5768-17-0x0000000000AB0000-0x0000000000AC5000-memory.dmp

Download

memory/5816-2-0x0000000000990000-0x00000000009A3000-memory.dmp

Download

memory/5816-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Download

memory/5816-14-0x0000000000400000-0x000000000070F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads