tofsee | 571d4e9d38251faccf440c76239fab801ea4b1c3f16d0d08f9dbe5d6afbcb736

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 18:40

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General

Target
2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
Size 14.7MB
Sample260805-xbpspatemd
SHA256 571d4e9d38251faccf440c76239fab801ea4b1c3f16d0d08f9dbe5d6afbcb736
MD5 46fb9d4ebcc1a2b1ed6f1237eab343f8
SHA1 989d10e45c66d39ffc68202be3598c0abb32d012
SHA512 4c499d27dddc60720900c4212da9099b49667313b5a4c9697affb5872adcba7afd2b2cd59004550b6472634c5e391e1715b016b0e6dfaf195c1ff2a2fec87329
SSDEEP 49152:di2222222222222222222222222222222222222222222222222222222222222H:
TLSH
T163F63A12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
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\jjznxalf = "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
1456	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\jjznxalf\ImagePath = "C:\\Windows\\SysWOW64\\jjznxalf\\ellpqakv.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
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5732	ellpqakv.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 5732 set thread context of 2712	5732	ellpqakv.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4520	sc.exe
636	sc.exe
4628	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
1768	cmd.exe
4944	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4168	5732	WerFault.exe	100
1936	3360	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	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.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	ellpqakv.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 1768	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	89
PID 3360 wrote to memory of 4944	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	91
PID 3360 wrote to memory of 4520	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	93
PID 3360 wrote to memory of 636	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	95
PID 3360 wrote to memory of 4628	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	98
PID 5732 wrote to memory of 2712	5732	ellpqakv.exe	101
PID 5732 wrote to memory of 2712	5732	ellpqakv.exe	101
PID 3360 wrote to memory of 1456	3360	2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jjznxalf\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ellpqakv.exe" C:\Windows\SysWOW64\jjznxalf\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jjznxalf binPath= "C:\Windows\SysWOW64\jjznxalf\ellpqakv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_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:4520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jjznxalf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jjznxalf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4628
- 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:1456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3360 -s 1092
  2⤵
  - Program crash
  PID:1936

C:\Windows\SysWOW64\jjznxalf\ellpqakv.exe
C:\Windows\SysWOW64\jjznxalf\ellpqakv.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-05_46fb9d4ebcc1a2b1ed6f1237eab343f8_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:5732
- 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:2712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5732 -s 596
  2⤵
  - Program crash
  PID:4168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3360 -ip 3360
1⤵
PID:1200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 5732 -ip 5732
1⤵
PID:2288

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

ellpqakv.exe

Path C:\Users\Admin\AppData\Local\Temp\ellpqakv.exe
Size 13.7MB
SHA256 8654c44244c764adf4030a277f20df1f1ea3f85e6e960e66967ee354f75620b6
MD5 b247df726bc31cf3210fc27884cf7790
SHA1 ca802e4b95c51bb9bd28a061a4808ad2d3cc4e3f
SHA512 cac628754a41de1013f2ca6e1ff6a23eef9cab1e3ddfff802cb599a8288a2e06d56dbe2176d7073b79184fbcb9b5bda503325bff3f965cec51306cc6471c5e1b
SSDEEP 49152:Oi22222222222222222222222222222222222222222222222222222222222222:
TLSH
T1CCE63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2712-11-0x00000000001E0000-0x00000000001F5000-memory.dmp

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memory/2712-8-0x00000000001E0000-0x00000000001F5000-memory.dmp

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memory/2712-15-0x00000000001E0000-0x00000000001F5000-memory.dmp

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memory/2712-16-0x00000000001E0000-0x00000000001F5000-memory.dmp

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memory/2712-17-0x00000000001E0000-0x00000000001F5000-memory.dmp

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memory/3360-1-0x0000000000700000-0x0000000000800000-memory.dmp

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memory/3360-2-0x00000000006D0000-0x00000000006E3000-memory.dmp

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memory/3360-12-0x0000000000400000-0x000000000056A000-memory.dmp

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memory/3360-13-0x00000000006D0000-0x00000000006E3000-memory.dmp

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memory/5732-7-0x0000000000700000-0x0000000000800000-memory.dmp

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memory/5732-14-0x0000000000400000-0x000000000056A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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