tofsee | 2ed15c68c0dac035361457557ca33a09277b5567272bbdc8259d58b4e274a3a1

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/07/2026, 21:42

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General

Target
2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe
Size 15.0MB
Sample260727-1kekvsdd74
SHA256 2ed15c68c0dac035361457557ca33a09277b5567272bbdc8259d58b4e274a3a1
MD5 dfdc13aaec4721d77d845019b9c42f3f
SHA1 3057cf8334b35f3118fc87a442929153478f97f4
SHA512 ea97db8f6e0955af54c8b88300224e35d73d0efecf2e0064d5fce1ee27a14854ef4c16c5a3cb4e8a3ecb6f4d3c266f3e473bdeeda1405c81dfa32e77b3c09b5a
SSDEEP 3072:iurXX+PBiSWHn9SBwcA/Z80HN1TFEGP8HOfwjQ6bdFor3Yz+HKa13jjjjjjjjjj3:rXVSOn9SBKh/TFEGBfw9vo7FHKa
TLSH
T12DF6EA617BF2A045F7FBCA3666314958AB37FC6BF96AC31F20448A5B1C21681CD46B13
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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2420	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\rebphhhe\ImagePath = "C:\\Windows\\SysWOW64\\rebphhhe\\xmelqotl.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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
1956	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	xmelqotl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 1956	1924	xmelqotl.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4444	sc.exe
2200	sc.exe
1196	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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
4836	cmd.exe
3836	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1952	3788	WerFault.exe	84
4036	1924	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.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	xmelqotl.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 4836	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	86
PID 3788 wrote to memory of 3836	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	91
PID 3788 wrote to memory of 4444	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	93
PID 3788 wrote to memory of 2200	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	95
PID 3788 wrote to memory of 1196	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	98
PID 1924 wrote to memory of 1956	1924	xmelqotl.exe	101
PID 1924 wrote to memory of 1956	1924	xmelqotl.exe	101
PID 3788 wrote to memory of 2420	3788	2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe	102

C:\Users\Admin\AppData\Local\Temp\2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rebphhhe\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xmelqotl.exe" C:\Windows\SysWOW64\rebphhhe\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rebphhhe binPath= "C:\Windows\SysWOW64\rebphhhe\xmelqotl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rebphhhe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rebphhhe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1196
- 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:2420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 1040
  2⤵
  - Program crash
  PID:1952

C:\Windows\SysWOW64\rebphhhe\xmelqotl.exe
C:\Windows\SysWOW64\rebphhhe\xmelqotl.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-07-27_dfdc13aaec4721d77d845019b9c42f3f_amadey_elex_rhadamanthys_smoke-loader_stealc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 556
  2⤵
  - Program crash
  PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3788 -ip 3788
1⤵
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1924 -ip 1924
1⤵
PID:4880

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

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

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Downloads

xmelqotl.exe

Path C:\Users\Admin\AppData\Local\Temp\xmelqotl.exe
Size 11.0MB
SHA256 123542fe21332009161fdc0a99a52d4b3b0ecb16192eda272817c687d068cfee
MD5 628a53e230bc0749b687ca5e2cb9facf
SHA1 39a46a113c6c138a93f7aa945a7c2e29151fc887
SHA512 d02c7f3880b6333add85735dcaffde8a30753d38eac7f190ed1157bdd6ab62acc51ba311b138a349ffa7cd138aca2510cde4eec50058fa7772616fd7e1253367
SSDEEP 3072:TurXX+PBiSWHn9SBwcA/Z80HN1TFEGP8HOfwjQ6bdFor3Yz+HKa13jjjjjjjjjjf:wXVSOn9SBKh/TFEGBfw9vo7FHKa
TLSH
T1EDC6EA617BF2A045F7FBCA3666314958AB37FC6BF96AC31F20448A5B1C21681CD46B13
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1924-7-0x0000000000820000-0x0000000000920000-memory.dmp

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memory/1924-13-0x0000000000790000-0x00000000007A3000-memory.dmp

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memory/1924-12-0x0000000000400000-0x000000000070F000-memory.dmp

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memory/1956-8-0x0000000000F20000-0x0000000000F35000-memory.dmp

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memory/1956-11-0x0000000000F20000-0x0000000000F35000-memory.dmp

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memory/1956-15-0x0000000000F20000-0x0000000000F35000-memory.dmp

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memory/1956-16-0x0000000000F20000-0x0000000000F35000-memory.dmp

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memory/1956-17-0x0000000000F20000-0x0000000000F35000-memory.dmp

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memory/3788-1-0x0000000000730000-0x0000000000830000-memory.dmp

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memory/3788-2-0x0000000002300000-0x0000000002313000-memory.dmp

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memory/3788-14-0x0000000000400000-0x000000000070F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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