tofsee | c4a3e4bb1caff1767f6cd4517cfccf8d2f901c7bbb3e1f433248dc0f0cdb9918

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 16:17

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General

Target
2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
Size 14.3MB
Sample260808-trvr4at1fv
SHA256 c4a3e4bb1caff1767f6cd4517cfccf8d2f901c7bbb3e1f433248dc0f0cdb9918
MD5 3c2395c8c97a388a94f949dd4992a495
SHA1 129d95d08d8754a3a76852d75eb264c87af8c38c
SHA512 cedc877f54e16fda56c30922f8a2428417f836df7c32f6c1ec149766967088708f6b985a4a2f7f2f8fbfd2621379d3ff5eb5013bf96569985c59b6b092a02674
SSDEEP 49152:fi2222222222222222222222222222222222222222222222222222222222222m:
TLSH
T1F9E63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

svartalfheim.top
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\xjbmjmgn = "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
3700	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\xjbmjmgn\ImagePath = "C:\\Windows\\SysWOW64\\xjbmjmgn\\ethexdzc.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
400	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4232	ethexdzc.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 4232 set thread context of 400	4232	ethexdzc.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1176	sc.exe
5208	sc.exe
248	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
3536	cmd.exe
2516	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4084	4232	WerFault.exe	100
4184	4972	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ethexdzc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 3536	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	89
PID 4972 wrote to memory of 2516	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	91
PID 4972 wrote to memory of 1176	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	93
PID 4972 wrote to memory of 5208	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	95
PID 4972 wrote to memory of 248	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	98
PID 4232 wrote to memory of 400	4232	ethexdzc.exe	101
PID 4232 wrote to memory of 400	4232	ethexdzc.exe	101
PID 4972 wrote to memory of 3700	4972	2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xjbmjmgn\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ethexdzc.exe" C:\Windows\SysWOW64\xjbmjmgn\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xjbmjmgn binPath= "C:\Windows\SysWOW64\xjbmjmgn\ethexdzc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1176
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xjbmjmgn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xjbmjmgn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:248
- 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:3700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1080
  2⤵
  - Program crash
  PID:4184

C:\Windows\SysWOW64\xjbmjmgn\ethexdzc.exe
C:\Windows\SysWOW64\xjbmjmgn\ethexdzc.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-08_3c2395c8c97a388a94f949dd4992a495_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232
- 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:400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 584
  2⤵
  - Program crash
  PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4232 -ip 4232
1⤵
PID:3504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4972 -ip 4972
1⤵
PID:2808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4952

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

Service Stop

T1489

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Downloads

ethexdzc.exe

Path C:\Users\Admin\AppData\Local\Temp\ethexdzc.exe
Size 10.8MB
SHA256 e0ecceaded67325b05e5d9cbaa412a50b944825896857caa39ac24f52707f905
MD5 e1aac8a8f8da7646919c6fc3d3e6a784
SHA1 5b577788dc7393c98233bf756dfd480fa2e6f2d0
SHA512 9e6ca234e1d9cbcfc9ce1940b78758ab75175ccc82d36b7a0351deb3b6e3ac4db3f1e788510c6b047a36f593cd7a3f5c62934d2a29c5a0796b4e39d740ec512a
SSDEEP 49152:9i2222222222222222222222222222222222222222222222222222222222222W:
TLSH
T150B63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/400-9-0x00000000003C0000-0x00000000003D5000-memory.dmp

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memory/400-12-0x00000000003C0000-0x00000000003D5000-memory.dmp

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memory/400-15-0x00000000003C0000-0x00000000003D5000-memory.dmp

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memory/400-16-0x00000000003C0000-0x00000000003D5000-memory.dmp

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memory/400-17-0x00000000003C0000-0x00000000003D5000-memory.dmp

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memory/4232-8-0x0000000000E90000-0x0000000000EA3000-memory.dmp

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memory/4232-7-0x00000000008C0000-0x00000000009C0000-memory.dmp

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memory/4232-13-0x0000000000400000-0x000000000056A000-memory.dmp

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memory/4972-2-0x0000000000710000-0x0000000000723000-memory.dmp

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memory/4972-1-0x0000000000760000-0x0000000000860000-memory.dmp

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memory/4972-14-0x0000000000400000-0x000000000056A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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