tofsee | 63b3facf885df34aec3d45bb867c2e2429fc296fb7943af83f14e148fc6dfce2

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 18:03

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General

Target
2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
Size 12.1MB
Sample260805-wngr6ssgjg
SHA256 63b3facf885df34aec3d45bb867c2e2429fc296fb7943af83f14e148fc6dfce2
MD5 89c0b36894ba3a3c7f9bc369dadc6204
SHA1 7695058de4efd35a40a31e2c68c07cf49e974bb8
SHA512 353bee329d452b31608770f7ebcadcb4676e16fcfa75ee7a2f052b1aca54087fd6a35242f5986d984969506ce6bc4b1203acade49ce9b2e2912d5b85b9528d9d
SSDEEP 49152:ri2222222222222222222222222222222222222222222222222222222222222X:
TLSH
T187D63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution tofsee persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

svartalfheim.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\ipbifbvv = "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
6136	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\ipbifbvv\ImagePath = "C:\\Windows\\SysWOW64\\ipbifbvv\\rlbsvtwf.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
4084	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	rlbsvtwf.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 2848 set thread context of 4084	2848	rlbsvtwf.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
5128	sc.exe
5768	sc.exe
1748	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
5980	cmd.exe
3380	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2964	2848	WerFault.exe	99
3060	4680	WerFault.exe	87

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rlbsvtwf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_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

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 5980	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	88
PID 4680 wrote to memory of 3380	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	90
PID 4680 wrote to memory of 5128	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	92
PID 4680 wrote to memory of 5768	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	94
PID 4680 wrote to memory of 1748	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	97
PID 2848 wrote to memory of 4084	2848	rlbsvtwf.exe	100
PID 2848 wrote to memory of 4084	2848	rlbsvtwf.exe	100
PID 4680 wrote to memory of 6136	4680	2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ipbifbvv\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rlbsvtwf.exe" C:\Windows\SysWOW64\ipbifbvv\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3380
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ipbifbvv binPath= "C:\Windows\SysWOW64\ipbifbvv\rlbsvtwf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ipbifbvv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ipbifbvv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1748
- 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:6136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1432
  2⤵
  - Program crash
  PID:3060

C:\Windows\SysWOW64\ipbifbvv\rlbsvtwf.exe
C:\Windows\SysWOW64\ipbifbvv\rlbsvtwf.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-05_89c0b36894ba3a3c7f9bc369dadc6204_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:4084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 592
  2⤵
  - Program crash
  PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2848 -ip 2848
1⤵
PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4680 -ip 4680
1⤵
PID:4308

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

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

rlbsvtwf.exe

Path C:\Users\Admin\AppData\Local\Temp\rlbsvtwf.exe
Size 12.6MB
SHA256 827e01b0c8c310fcfa2798b4ab0a1fcae8e414b4fb0e8386319f773ef6f0550b
MD5 f209ac16bd19a8198a00d40c3ac4fb60
SHA1 e8de2b1bcab3976e7c80cc4bd5762fb7c32b2303
SHA512 ed431099abab70aef6ab1653931ec9c281621227794e93b6b8d70d224d6ba6a91ef1624c0d96194e5aafb0388797b3ece25a25ca3279c94a349f3fd64a199309
SSDEEP 49152:Ti2222222222222222222222222222222222222222222222222222222222222H:
TLSH
T170D63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2848-8-0x0000000000710000-0x0000000000723000-memory.dmp

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memory/2848-7-0x0000000000730000-0x0000000000830000-memory.dmp

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memory/2848-13-0x0000000000400000-0x000000000056A000-memory.dmp

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memory/4084-12-0x00000000009C0000-0x00000000009D5000-memory.dmp

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memory/4084-9-0x00000000009C0000-0x00000000009D5000-memory.dmp

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memory/4084-15-0x00000000009C0000-0x00000000009D5000-memory.dmp

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memory/4084-16-0x00000000009C0000-0x00000000009D5000-memory.dmp

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memory/4084-17-0x00000000009C0000-0x00000000009D5000-memory.dmp

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memory/4680-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

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memory/4680-2-0x0000000002310000-0x0000000002323000-memory.dmp

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memory/4680-14-0x0000000000400000-0x000000000056A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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