tofsee | be175cc999e4e856db1c2699ad71d08a6de762ce124e63bdf5e79eb71b507976

Analysis

max time kernel
150s
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
08/08/2026, 17:10

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General

Target
2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
Size 10.7MB
Sample260808-vp753s1drd
SHA256 be175cc999e4e856db1c2699ad71d08a6de762ce124e63bdf5e79eb71b507976
MD5 dc4abaf1e48a935dde03002d98a0d64c
SHA1 19cad73c2f0c226f7188771208ba457742e92b80
SHA512 c49ddd1f458c2e3d1339629e385470f05ccfee8b4a9732139a3694952fb0bb7d0c8dec2cf90e182a3e9f6365c974affa8e09022985f46be4b53886de4ecbd085
SSDEEP 49152:di2222222222222222222222222222222222222222222222222222222222222P:
TLSH
T16EB63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
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\gicvcsqb = "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
2848	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\gicvcsqb\ImagePath = "C:\\Windows\\SysWOW64\\gicvcsqb\\htcqpluz.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
2872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2456	htcqpluz.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 2456 set thread context of 2872	2456	htcqpluz.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
5164	sc.exe
4320	sc.exe
5380	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
4432	cmd.exe
2148	cmd.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5324	5980	WerFault.exe	88
4296	2456	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	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.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	htcqpluz.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	netsh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5980 wrote to memory of 4432	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	89
PID 5980 wrote to memory of 2148	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	91
PID 5980 wrote to memory of 5164	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	93
PID 5980 wrote to memory of 4320	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	95
PID 5980 wrote to memory of 5380	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	98
PID 2456 wrote to memory of 2872	2456	htcqpluz.exe	101
PID 2456 wrote to memory of 2872	2456	htcqpluz.exe	101
PID 5980 wrote to memory of 2848	5980	2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe	104

C:\Users\Admin\AppData\Local\Temp\2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gicvcsqb\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\htcqpluz.exe" C:\Windows\SysWOW64\gicvcsqb\
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gicvcsqb binPath= "C:\Windows\SysWOW64\gicvcsqb\htcqpluz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_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:5164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gicvcsqb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gicvcsqb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5380
- 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:2848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5980 -s 700
  2⤵
  - Program crash
  PID:5324

C:\Windows\SysWOW64\gicvcsqb\htcqpluz.exe
C:\Windows\SysWOW64\gicvcsqb\htcqpluz.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-08_dc4abaf1e48a935dde03002d98a0d64c_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:2456
- 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:2872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 572
  2⤵
  - Program crash
  PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2456 -ip 2456
1⤵
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5980 -ip 5980
1⤵
PID:4524

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

htcqpluz.exe

Path C:\Users\Admin\AppData\Local\Temp\htcqpluz.exe
Size 14.3MB
SHA256 baf27b57f23b21bc416d4d35d5955e361f132ab71688228fb403f1fffa4b56bd
MD5 889146762890b2ef666ac9b9517e487c
SHA1 e9635029d25a78069f8e6f69b21f88796bbacd46
SHA512 6b17fc53a6cb4d116cd0a99b58ee44f55be367c6d722dcee1362879e522d10d07f7f27c397ba8040850d9f8ba4251ad58f8ae4a451bb1809aa3082a5a125ed16
SSDEEP 49152:Ai2222222222222222222222222222222222222222222222222222222222222u:
TLSH
T168E63B12C623CE2EE4B4933EFB9C77BE68DD8AF142C0154BA935B4E0EC2915D49D560B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2456-8-0x00000000006D0000-0x00000000006E3000-memory.dmp

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memory/2456-7-0x00000000006F0000-0x00000000007F0000-memory.dmp

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memory/2456-13-0x0000000000400000-0x000000000056A000-memory.dmp

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memory/2872-9-0x0000000000A30000-0x0000000000A45000-memory.dmp

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memory/2872-12-0x0000000000A30000-0x0000000000A45000-memory.dmp

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memory/2872-15-0x0000000000A30000-0x0000000000A45000-memory.dmp

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memory/2872-16-0x0000000000A30000-0x0000000000A45000-memory.dmp

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memory/2872-17-0x0000000000A30000-0x0000000000A45000-memory.dmp

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memory/5980-2-0x0000000002320000-0x0000000002333000-memory.dmp

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memory/5980-1-0x0000000000820000-0x0000000000920000-memory.dmp

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memory/5980-14-0x0000000000400000-0x000000000056A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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