tofsee | b8a7a7bc9d42b39d8d5a1af5419c2973db8554169284ff80c01575177237e224

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/10/2026, 04:30

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe
Size 13.5MB
Sample261004-e444zatz9r
SHA256 b8a7a7bc9d42b39d8d5a1af5419c2973db8554169284ff80c01575177237e224
MD5 ae62accd88602dac05176340ff76141a
SHA1 61f0dd51340a5f09feb9174d0bc68448b7100ae6
SHA512 f4bbc9d04a387ffb7cb95eeaac4d5f0ca86fb7228a41d12b2e202337c0f980cc1facd53d5050f2f42c13df94137d5b20f6a66e3c897116076835673fff08f84d
SSDEEP 6144:aHjBpYqdviTbDwkFyXapKagxexexexexexexexexexexexexexexexexexexexeK:C3Yqd6B5we
TLSH
T1A6E6447392E13C44F6768E319E2F86E8361EFD919F1567EB12087A0B14711ADC1E2B1E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

nidavellir.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\qdzmfnsm = "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
5204	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\qdzmfnsm\ImagePath = "C:\\Windows\\SysWOW64\\qdzmfnsm\\qdydwgei.exe"	svchost.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
3384	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5924	qdydwgei.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5924 set thread context of 3384	5924	qdydwgei.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4268	sc.exe
5240	sc.exe
1416	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
2496	cmd.exe
5872	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3936	1620	WerFault.exe	87
2908	5924	WerFault.exe	99

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	qdydwgei.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2496	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	88
PID 1620 wrote to memory of 5872	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	90
PID 1620 wrote to memory of 4268	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	92
PID 1620 wrote to memory of 5240	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	94
PID 1620 wrote to memory of 1416	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	97
PID 1620 wrote to memory of 5204	1620	2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe	100
PID 5924 wrote to memory of 3384	5924	qdydwgei.exe	105
PID 5924 wrote to memory of 3384	5924	qdydwgei.exe	105

C:\Users\Admin\AppData\Local\Temp\2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qdzmfnsm\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qdydwgei.exe" C:\Windows\SysWOW64\qdzmfnsm\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qdzmfnsm binPath= "C:\Windows\SysWOW64\qdzmfnsm\qdydwgei.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qdzmfnsm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qdzmfnsm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1416
- 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:5204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 1080
  2⤵
  - Program crash
  PID:3936

C:\Windows\SysWOW64\qdzmfnsm\qdydwgei.exe
C:\Windows\SysWOW64\qdzmfnsm\qdydwgei.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-10-03_ae62accd88602dac05176340ff76141a_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5924
- 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:3384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5924 -s 592
  2⤵
  - Program crash
  PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1620 -ip 1620
1⤵
PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 5924 -ip 5924
1⤵
PID:4916

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

Indicator Removal

T1070

File Deletion

T1070.004

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

Replay Monitor

Loading Replay Monitor...

Downloads

qdydwgei.exe

Path C:\Users\Admin\AppData\Local\Temp\qdydwgei.exe
Size 10.6MB
SHA256 7583d179c0c43ee478dc8b855d99663856595e4e9e46ba7b66ddde4b9ef8b539
MD5 2fe8c8f8f65ef83667af7ff9af2b972f
SHA1 b95f53c09657e277e571ff3ef3766b8a3c24613b
SHA512 6cdafd3e7575124796979ad81df42abd15259bd660dda68a4df079d8705dbe5fda06dc6729f2f4f75c685b0ae0b6f8715eb022f545eeab7f91116a6f94c04175
SSDEEP 6144:NHjBpYqdviTbDwkFyXapKagxexexexexexexexexexexexexexexexexexexexeT:t3Yqd6B5wv
TLSH
T1ADB6447392E13C44F6768E319E2F86E8361EFD919F1567EB12087A0B14711ADC1E2B1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1620-0-0x0000000000400000-0x00000000004AF000-memory.dmp

Download

memory/1620-2-0x0000000000890000-0x0000000000990000-memory.dmp

Download

memory/1620-3-0x0000000000830000-0x0000000000843000-memory.dmp

Download

memory/1620-10-0x0000000000400000-0x00000000004AF000-memory.dmp

Download

memory/1620-11-0x0000000000830000-0x0000000000843000-memory.dmp

Download

memory/3384-12-0x00000000007D0000-0x00000000007E5000-memory.dmp

Download

memory/3384-14-0x00000000007D0000-0x00000000007E5000-memory.dmp

Download

memory/3384-15-0x00000000007D0000-0x00000000007E5000-memory.dmp

Download

memory/5924-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Download

memory/5924-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads