tofsee | 1f71b2564c5d7032a404e2c6cf9d83c5bec47d2253ed65366e4a970456f34a5d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/11/2026, 14:19

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General

Target
2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
Size 13.6MB
Sample261105-rmybbaxs7q
SHA256 1f71b2564c5d7032a404e2c6cf9d83c5bec47d2253ed65366e4a970456f34a5d
MD5 beed38c01e94283e2cd402ecd0217e53
SHA1 232c7a9a10dad70dd2d0338f65ac13152bfb71a3
SHA512 6f82bcaa92d930fb410eabfc9532a9532956c66b1ba108b433ec587d6cb02733252abf0ab09ec5513e18746230230c91112b9d32f466870ac1b6ed6066e7c736
SSDEEP 98304:3yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyK:
TLSH
T130E67CF0AAE18288F7F75B741B32EA85567BBC53B820574B11442D2F29767E08C537B2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru
lakeflex.ru

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
5044	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\judfmtdc\ImagePath = "C:\\Windows\\SysWOW64\\judfmtdc\\qiahgxip.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-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_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 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
308	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
556	qiahgxip.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 556 set thread context of 308	556	qiahgxip.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
4828	sc.exe
1136	sc.exe
3860	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
4540	cmd.exe
1832	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3168	808	WerFault.exe	84
1044	556	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qiahgxip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_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

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 4540	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	85
PID 808 wrote to memory of 1832	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	87
PID 808 wrote to memory of 4828	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	89
PID 808 wrote to memory of 1136	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	93
PID 808 wrote to memory of 3860	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	96
PID 808 wrote to memory of 5044	808	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe	99
PID 556 wrote to memory of 308	556	qiahgxip.exe	104
PID 556 wrote to memory of 308	556	qiahgxip.exe	104

C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\judfmtdc\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qiahgxip.exe" C:\Windows\SysWOW64\judfmtdc\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create judfmtdc binPath= "C:\Windows\SysWOW64\judfmtdc\qiahgxip.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description judfmtdc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start judfmtdc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3860
- 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:5044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 1044
  2⤵
  - Program crash
  PID:3168

C:\Windows\SysWOW64\judfmtdc\qiahgxip.exe
C:\Windows\SysWOW64\judfmtdc\qiahgxip.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_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:556
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 544
  2⤵
  - Program crash
  PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 808 -ip 808
1⤵
PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 556 -ip 556
1⤵
PID:2140

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

Indicator Removal

T1070

File Deletion

T1070.004

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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qiahgxip.exe

Path C:\Users\Admin\AppData\Local\Temp\qiahgxip.exe
Size 14.8MB
SHA256 5d66c6431f3efa67ca38e2dc5060556768458c4becf8eacfcd529e6b64ac894d
MD5 3aa0607452caef0b6cf3c6b84a2a34dc
SHA1 c19bc5a88b75221a98c4384e22067c369ada29fc
SHA512 0ac955bd453a326569c1b19e8e1570150f27c574c1d60feb5c51f61d0935cfedfffab9efa8860b995df79d7bce162e8c3ba6cfe15af1ad53dcf2d3870b5d16d4
SSDEEP 98304:vyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyG:
TLSH
T133F67CF0AAE18288F7F75B741B32EA85567BBC53B820574B11442D2F29767E08C537B2
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/308-7-0x0000000000970000-0x0000000000985000-memory.dmp

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memory/308-10-0x0000000000970000-0x0000000000985000-memory.dmp

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memory/308-14-0x0000000000970000-0x0000000000985000-memory.dmp

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memory/308-15-0x0000000000970000-0x0000000000985000-memory.dmp

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memory/308-16-0x0000000000970000-0x0000000000985000-memory.dmp

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memory/556-6-0x0000000000BB0000-0x0000000000BBD000-memory.dmp

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memory/556-12-0x0000000000BC0000-0x0000000000BD3000-memory.dmp

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memory/556-11-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/808-0-0x00000000004B0000-0x00000000004BD000-memory.dmp

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memory/808-1-0x00000000004C0000-0x00000000004D3000-memory.dmp

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memory/808-13-0x0000000000400000-0x0000000000431000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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