tofsee | 7ee2591312547f4c1922720dc57be1a5d97b8cbfb84bb1bb1ebda42495fcc5fe

Analysis

max time kernel
149s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/05/2026, 16:28

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General

Target
2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe
Size 14.9MB
Sample260511-ty322sh14j
SHA256 7ee2591312547f4c1922720dc57be1a5d97b8cbfb84bb1bb1ebda42495fcc5fe
MD5 37160bb8b00d55dfa224308e8d342b4a
SHA1 9d5e23beded43063f5518d65bf827f2627d20564
SHA512 88fa6b21d637154d39971d383c0da5b2d23df32f9f3b28b222bb399e0dbc3a016c54d5d0a6972b5a81a04bcd7f36c2bd28616261afdfc5ed25d86e6b3d4fa78b
SSDEEP 393216:RvoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooH:R
TLSH
T108F65BB1B980DA45E484263C482BDFEC99BDFC845C41074772A83B8BB9B735326A157F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info
ovicrush.cn

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
1904	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\jwepsemb\ImagePath = "C:\\Windows\\SysWOW64\\jwepsemb\\jwecrcxb.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-1-5-21-2023547815-1162023398-1465618254-1000\Control Panel\International\Geo\Nation	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
4252	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	jwecrcxb.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 5112 set thread context of 4252	5112	jwecrcxb.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4492	sc.exe
1344	sc.exe
2428	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2212	2852	WerFault.exe	85
3440	5112	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jwecrcxb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.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	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 2852 wrote to memory of 4016	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	86
PID 2852 wrote to memory of 4476	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	88
PID 2852 wrote to memory of 4492	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	90
PID 2852 wrote to memory of 1344	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	92
PID 2852 wrote to memory of 2428	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	96
PID 2852 wrote to memory of 1904	2852	2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe	99
PID 5112 wrote to memory of 4252	5112	jwecrcxb.exe	105
PID 5112 wrote to memory of 4252	5112	jwecrcxb.exe	105

C:\Users\Admin\AppData\Local\Temp\2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jwepsemb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jwecrcxb.exe" C:\Windows\SysWOW64\jwepsemb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jwepsemb binPath= "C:\Windows\SysWOW64\jwepsemb\jwecrcxb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jwepsemb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1344
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jwepsemb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2428
- 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:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 1028
  2⤵
  - Program crash
  PID:2212

C:\Windows\SysWOW64\jwepsemb\jwecrcxb.exe
C:\Windows\SysWOW64\jwepsemb\jwecrcxb.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-05-11_37160bb8b00d55dfa224308e8d342b4a_elex_redline-stealer_rhadamanthys_stop.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 508
  2⤵
  - Program crash
  PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2852 -ip 2852
1⤵
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5112 -ip 5112
1⤵
PID:3084

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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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Downloads

jwecrcxb.exe

Path C:\Users\Admin\AppData\Local\Temp\jwecrcxb.exe
Size 15.0MB
SHA256 f992cbe0332103080f1bcd082c953a7fb8c382087d6e717639c17ec41724d069
MD5 ff17f7561df0eff6681a16bdd296d833
SHA1 a3f84627fb2edf729b3271f6abcf2b6b536c6b20
SHA512 638fa19b43f245d097109375d475ea0297a641017f1dd041bb6d8e5436c9d429463e99ff9e5f8b80ff0506d3519553cac191c6f283925bdce1d35fedea4698ac
SSDEEP 393216:rvooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooon:r
TLSH
T18AF65BB1B980DA45E484263C482BDFEC99BDFC845C41074772A83B8BB9B735326A157F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1904-15-0x0000000000E50000-0x0000000000F33000-memory.dmp

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memory/2852-8-0x00000000001E0000-0x00000000001F3000-memory.dmp

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memory/2852-5-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/2852-6-0x0000000002100000-0x0000000002196000-memory.dmp

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memory/2852-7-0x00000000001D0000-0x00000000001DD000-memory.dmp

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memory/2852-0-0x00000000001D0000-0x00000000001DD000-memory.dmp

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memory/2852-1-0x00000000001E0000-0x00000000001F3000-memory.dmp

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memory/4252-9-0x00000000004A0000-0x00000000004B5000-memory.dmp

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memory/4252-10-0x00000000004A0000-0x00000000004B5000-memory.dmp

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memory/4252-11-0x00000000004A0000-0x00000000004B5000-memory.dmp

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memory/4252-14-0x00000000004A0000-0x00000000004B5000-memory.dmp

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memory/4252-16-0x0000000000960000-0x00000000009F6000-memory.dmp

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memory/5112-13-0x0000000000710000-0x00000000007A6000-memory.dmp

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memory/5112-12-0x0000000000400000-0x000000000044F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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