tofsee | 1914d74004c8b52f9d3d69506a56c05ca14ef00d9566f3e39b1289838bf9ad9b

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 01:27

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General

Target
2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 14.9MB
Sample260808-bvfs8sfl9x
SHA256 1914d74004c8b52f9d3d69506a56c05ca14ef00d9566f3e39b1289838bf9ad9b
MD5 46ce330f1663a34adaee92f7d3e97588
SHA1 56ad14403033134f5c13e02fdad568668436077e
SHA512 0fc2f45abeab7b545e97d3cf2dcca7da61fce467485b025df48604cce38cd24e1d2990729972f03e7047b4e25925de122a9539650a14ab9dc6e4e1da27e1de5e
SSDEEP 393216:OEaDRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfF:OEaDRfgRfgRfgRfgRfgRfgRfgRfgRfg/
TLSH
T129F6786EFA4903F301C1037A674E94C7BB0AD8B9636B56F0246D844F6267E2CA377791
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\poauhcgl = "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
5684	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\poauhcgl\ImagePath = "C:\\Windows\\SysWOW64\\poauhcgl\\qfxejhme.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
4316	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	qfxejhme.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 4856 set thread context of 4316	4856	qfxejhme.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1824	sc.exe
2456	sc.exe
5808	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
1212	cmd.exe
3320	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
264	5860	WerFault.exe	88
124	4856	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qfxejhme.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-07_46ce330f1663a34adaee92f7d3e97588_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5860 wrote to memory of 1212	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89
PID 5860 wrote to memory of 3320	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	91
PID 5860 wrote to memory of 1824	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	93
PID 5860 wrote to memory of 2456	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	95
PID 5860 wrote to memory of 5808	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	98
PID 4856 wrote to memory of 4316	4856	qfxejhme.exe	101
PID 4856 wrote to memory of 4316	4856	qfxejhme.exe	101
PID 5860 wrote to memory of 5684	5860	2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_46ce330f1663a34adaee92f7d3e97588_amadey_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\poauhcgl\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qfxejhme.exe" C:\Windows\SysWOW64\poauhcgl\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create poauhcgl binPath= "C:\Windows\SysWOW64\poauhcgl\qfxejhme.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-07_46ce330f1663a34adaee92f7d3e97588_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:1824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description poauhcgl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start poauhcgl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5808
- 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:5684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5860 -s 1088
  2⤵
  - Program crash
  PID:264

C:\Windows\SysWOW64\poauhcgl\qfxejhme.exe
C:\Windows\SysWOW64\poauhcgl\qfxejhme.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-07_46ce330f1663a34adaee92f7d3e97588_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:4856
- 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:4316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 592
  2⤵
  - Program crash
  PID:124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5860 -ip 5860
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4856 -ip 4856
1⤵
PID:5812

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

qfxejhme.exe

Path C:\Users\Admin\AppData\Local\Temp\qfxejhme.exe
Size 11.9MB
SHA256 2f1cc81fb427d9616e54c4f86efbc4b174467b8ff9398f62b814bc416763fab6
MD5 7edc8a7ffd9682a790890411f696a410
SHA1 3082ccdbc51f555c1840572e83a2dae75ad5e0c6
SHA512 a4e1f026bd486b1048808330a7d277d15538ea3ca656f96d62bc7e70df2e1cfb4afbe75740dd11c785e18a206ae4575a70f7b8303f1a0e80edc2010fd7bf5746
SSDEEP 196608:uEaDRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfgRfw:uEaDRfgRfgRfgRfgRfgRfgRfgRfgRfga
TLSH
T1ABC6786EFA4903F301C1037A674E94C7BB0AD8B9636B56F0246D844F6267E2CA377791
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4316-8-0x0000000000A80000-0x0000000000A95000-memory.dmp

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memory/4316-16-0x0000000000A80000-0x0000000000A95000-memory.dmp

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memory/4316-17-0x0000000000A80000-0x0000000000A95000-memory.dmp

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memory/4856-10-0x0000000000400000-0x000000000229F000-memory.dmp

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memory/4856-13-0x0000000000400000-0x000000000229F000-memory.dmp

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memory/5860-0-0x0000000000400000-0x000000000229F000-memory.dmp

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memory/5860-2-0x00000000024E0000-0x00000000025E0000-memory.dmp

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memory/5860-3-0x0000000003F00000-0x0000000003F13000-memory.dmp

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memory/5860-15-0x0000000003F00000-0x0000000003F13000-memory.dmp

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memory/5860-14-0x0000000000400000-0x000000000229F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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