Analysis
- max time kernel
900s - max time network
896s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/10/2026, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
arbuz.exe
Resource
win10v2004-20260911-en
General
- Target arbuz.exe
- Size 579KB
- Sample261001-sd31watalc
- SHA256 47530aea0d262967bc5ea92e4faeb18caafd66412cdf98af15267a405825afa4
- MD5 cd96558fe42ce93e53d3cf0c5b0f644a
- SHA1 d416d6947919af1ced055c99545c203e628d598a
- SHA512 98848303feffb03b8a7eca864919d48bbb7038e8daf9024b143a9ebf16a18fdf428e7c237f3bfac538af769542284b083c88f829fa0fff3e374f5aa916bd907d
- SSDEEP 6144:mJ64jCVZLUyHH30SSoFEx8d0GHucTMXXD4SDB2ohu/RJXw/hLlhd01nEIbdR25wr:m1CVGyHXPFEqbQ3B2o0xILd0VEllZvs
- TLSH T1EAC42A183FA58A08E540197E455E1618DBAEE1F226327343370AEF224D45DDEDF2D3EA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwdSystem32\\Defender.exe" arbuz.exe - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation arbuz.exe - Executes dropped EXE 18 IoCs
pid Process 4628 Defender.exe 2880 MalwareDef.exe 1688 Defender.exe 2144 Defender.exe 4004 Defender.exe 2552 Defender.exe 872 Defender.exe 4960 Defender.exe 4056 Defender.exe 3492 Defender.exe 3532 Defender.exe 4120 Defender.exe 2848 Defender.exe 2996 Defender.exe 1260 Defender.exe 3972 Defender.exe 1184 Defender.exe 1208 Defender.exe - Loads dropped DLL 27 IoCs
pid Process 4628 Defender.exe 3556 Process not Found 1252 Process not Found 4084 Process not Found 2880 MalwareDef.exe 1688 Defender.exe 848 Process not Found 3456 Process not Found 820 Process not Found 2144 Defender.exe 3688 Process not Found 2364 Process not Found 4004 Defender.exe 2552 Defender.exe 872 Defender.exe 4960 Defender.exe 4056 Defender.exe 3492 Defender.exe 3244 Process not Found 3532 Defender.exe 4120 Defender.exe 2848 Defender.exe 2996 Defender.exe 1260 Defender.exe 3972 Defender.exe 1184 Defender.exe 1208 Defender.exe - Looks up external IP address via web service 1 TTPs 25 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 api.ipify.org 24 api.ipify.org 35 api.ipify.org 74 api.ipify.org 85 api.ipify.org 93 api.ipify.org 97 api.ipify.org 27 api.ipify.org 71 api.ipify.org 82 api.ipify.org 90 api.ipify.org 91 api.ipify.org 94 api.ipify.org 26 api.ipify.org 72 api.ipify.org 83 api.ipify.org 88 api.ipify.org 89 api.ipify.org 25 api.ipify.org 70 api.ipify.org 73 api.ipify.org 75 api.ipify.org 92 api.ipify.org 95 api.ipify.org 96 api.ipify.org - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\xdwdSystem32\Defender.exe arbuz.exe File created C:\Windows\xdwdWeb\MalwareDef.exe arbuz.exe File created C:\Windows\xdwd.dll arbuz.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
pid Process 3240 cmd.exe 2320 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 38 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname MalwareDef.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain MalwareDef.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname arbuz.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain arbuz.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Defender.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3852 schtasks.exe 3744 schtasks.exe - Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 4460 arbuz.exe Token: SeDebugPrivilege 4628 Defender.exe Token: SeDebugPrivilege 1688 Defender.exe Token: SeDebugPrivilege 2880 MalwareDef.exe Token: SeIncBasePriorityPrivilege 4628 Defender.exe Token: SeIncBasePriorityPrivilege 1688 Defender.exe Token: SeDebugPrivilege 2144 Defender.exe Token: SeDebugPrivilege 4004 Defender.exe Token: SeDebugPrivilege 2552 Defender.exe Token: SeDebugPrivilege 872 Defender.exe Token: SeDebugPrivilege 4960 Defender.exe Token: SeDebugPrivilege 4056 Defender.exe Token: SeDebugPrivilege 3492 Defender.exe Token: SeDebugPrivilege 3532 Defender.exe Token: SeDebugPrivilege 4120 Defender.exe Token: SeDebugPrivilege 2848 Defender.exe Token: SeDebugPrivilege 2996 Defender.exe Token: SeDebugPrivilege 1260 Defender.exe Token: SeDebugPrivilege 3972 Defender.exe Token: SeDebugPrivilege 1184 Defender.exe Token: SeDebugPrivilege 1208 Defender.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4460 wrote to memory of 1956 4460 arbuz.exe 92 PID 4460 wrote to memory of 3240 4460 arbuz.exe 94 PID 4460 wrote to memory of 2320 4460 arbuz.exe 96 PID 2320 wrote to memory of 3852 2320 cmd.exe 98 PID 3240 wrote to memory of 3744 3240 cmd.exe 99 PID 4460 wrote to memory of 4628 4460 arbuz.exe 100 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\arbuz.exe"C:\Users\Admin\AppData\Local\Temp\arbuz.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="k":E-sn)-:v`-]" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit2⤵PID:1956
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:3744
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\xdwdWeb\MalwareDef.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\xdwdWeb\MalwareDef.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:3852
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C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Windows\xdwdWeb\MalwareDef.exeC:\Windows\xdwdWeb\MalwareDef.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4004
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:2552
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:872
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4960
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:3532
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:4120
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:2848
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:2996
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:1260
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:3972
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:1184
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:1208
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Defender.exe.log
- Size 1KB
- SHA256 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
- MD5 f26118d675c61402c218ac6794d90a63
- SHA1 ffc8d592f3ca8255ca5119eff5b576eb16ac7fac
- SHA512 6f14b71dae095131053a1b590e60ccec4e14c47c745bf9d52de48988d7b93b1f50bbb6bac0222dc49e3e45def052b20be2d34e116991027718da2e0fb8eb45d0
- TLSH T17411CE723371F1D889163F072C68268417BF4724BA90EE0CB5A8626ED9364275F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\xdwd.dll
- Size 136KB
- SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
- MD5 16e5a492c9c6ae34c59683be9c51fa31
- SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
- SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
- SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
- TLSH T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\xdwdSystem32\Defender.exe
- Size 579KB
- SHA256 47530aea0d262967bc5ea92e4faeb18caafd66412cdf98af15267a405825afa4
- MD5 cd96558fe42ce93e53d3cf0c5b0f644a
- SHA1 d416d6947919af1ced055c99545c203e628d598a
- SHA512 98848303feffb03b8a7eca864919d48bbb7038e8daf9024b143a9ebf16a18fdf428e7c237f3bfac538af769542284b083c88f829fa0fff3e374f5aa916bd907d
- SSDEEP 6144:mJ64jCVZLUyHH30SSoFEx8d0GHucTMXXD4SDB2ohu/RJXw/hLlhd01nEIbdR25wr:m1CVGyHXPFEqbQ3B2o0xILd0VEllZvs
- TLSH T1EAC42A183FA58A08E540197E455E1618DBAEE1F226327343370AEF224D45DDEDF2D3EA
- MD5 SHA1 SHA512 SSDEEP TLSH