tofsee | 7cf07b9340ce9854b756770ab6da5ee7de265e2705aef65932b8cdcb8875e887

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
06/05/2026, 12:14

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General

Target
2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe
Size 11.8MB
Sample260506-pegmgsdz3n
SHA256 7cf07b9340ce9854b756770ab6da5ee7de265e2705aef65932b8cdcb8875e887
MD5 c62cda299e5793bc9fc977abb7cb75d7
SHA1 43ee95453f23463b5b9853bd2ce1150ee1550114
SHA512 d7511fc52989831bda1036f19fc2038ceff118684a503115ff5e34d07acfdbbad8b0e191582291e949fa0dd643ac3eb1dc80b39fd82dbfa60cd9ad9a0644ad99
SSDEEP 6144:6b/qTWJpjKTI1rFeB4jsVSfnLqS5ICk1hcGPsAza:CxJtKTIpEBc6fP
TLSH
T1DCC6950442F60D47DE6AFE74766E0A1FCEEE6417605EA31D21A1F42DA972E21CD23732
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
996	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\nlqtvibe\ImagePath = "C:\\Windows\\SysWOW64\\nlqtvibe\\xrwupspr.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
3532	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2460	xrwupspr.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 2460 set thread context of 3532	2460	xrwupspr.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
4132	sc.exe
2804	sc.exe
2812	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
1044	776	WerFault.exe	79
3000	2460	WerFault.exe	91

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	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.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	xrwupspr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 4192	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	80
PID 776 wrote to memory of 1532	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	82
PID 776 wrote to memory of 4132	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	84
PID 776 wrote to memory of 2804	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	87
PID 776 wrote to memory of 2812	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	89
PID 776 wrote to memory of 996	776	2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe	92
PID 2460 wrote to memory of 3532	2460	xrwupspr.exe	97
PID 2460 wrote to memory of 3532	2460	xrwupspr.exe	97

C:\Users\Admin\AppData\Local\Temp\2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nlqtvibe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xrwupspr.exe" C:\Windows\SysWOW64\nlqtvibe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nlqtvibe binPath= "C:\Windows\SysWOW64\nlqtvibe\xrwupspr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nlqtvibe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nlqtvibe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- 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:996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 1212
  2⤵
  - Program crash
  PID:1044

C:\Windows\SysWOW64\nlqtvibe\xrwupspr.exe
C:\Windows\SysWOW64\nlqtvibe\xrwupspr.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-05-06_c62cda299e5793bc9fc977abb7cb75d7_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 540
  2⤵
  - Program crash
  PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 776 -ip 776
1⤵
PID:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2460 -ip 2460
1⤵
PID:2248

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

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

xrwupspr.exe

Path C:\Users\Admin\AppData\Local\Temp\xrwupspr.exe
Size 11.8MB
SHA256 ba8b1ff4204ac577d463e3f7d4a9e020002d0a7f19ed1a0bf955ce62e04114fd
MD5 7dd4a19df9ac6f3b989f9265d6e8e7ae
SHA1 523f0fd0a5463e494ec2d58d0b21710277c68448
SHA512 d80312cf22a13656218f59a5725c4327eccf43067309a7c1d8677ff5ff0a97fa7dcc1506540adf0e819357e982fe706180a38edc2a9dd94f26e3467432910286
SSDEEP 6144:Sb/qTWJpjKTI1rFeB4jsVSfnLqS5ICk1hcGPsAza:qxJtKTIpEBc6fP
TLSH
T17FC6950442F60D47DE6AFE74766E0A1FCEEE6417605EA31D21A1F42DA972E21CD23732
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/776-2-0x00000000009C0000-0x00000000009D3000-memory.dmp

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memory/776-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

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memory/776-9-0x00000000009C0000-0x00000000009D3000-memory.dmp

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memory/776-8-0x0000000002510000-0x0000000002574000-memory.dmp

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memory/2460-10-0x0000000000A90000-0x0000000000B90000-memory.dmp

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memory/2460-16-0x00000000011F0000-0x0000000001254000-memory.dmp

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memory/3532-11-0x0000000000D70000-0x0000000000D85000-memory.dmp

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memory/3532-12-0x0000000000D70000-0x0000000000D85000-memory.dmp

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memory/3532-13-0x0000000000D70000-0x0000000000D85000-memory.dmp

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memory/3532-14-0x0000000000D70000-0x0000000000D85000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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