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
15/04/2026, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11-20260130-en
General
- Target 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 11.1MB
- Sample260415-e5jjnaex7l
- SHA256 af6e3ed94f84ef0bff8baf71ad15bf9ac4b9e285227ffa8b98cc63d87846357c
- MD5 90b2d5bfbbc14fccec32d71856bde388
- SHA1 6e17c7ab6fa61b65313e149e60ec7dae64fbdbe3
- SHA512 a385644742a7620917e6dc56e5381d0c4d966b8fbb2e8f9ceb52ffec66f01839717e8c05f80b75907ec3b60bbc24088915c7fd9796ea3cf308dd96971a9f0381
- SSDEEP 6144:0Izw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCi:zEidhAglQhyupLer5+nZo
- TLSH T1CEC6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5056 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.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\hdnoedix\ImagePath = "C:\\Windows\\SysWOW64\\hdnoedix\\elsvkyrb.exe" svchost.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 4548 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 4364 elsvkyrb.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4364 set thread context of 4548 4364 elsvkyrb.exe 92 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 656 sc.exe 4460 sc.exe 1508 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
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 2984 4364 WerFault.exe 91 3792 2992 WerFault.exe 79 - 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.
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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_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 elsvkyrb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2992 wrote to memory of 4336 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 80 PID 2992 wrote to memory of 3052 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 82 PID 2992 wrote to memory of 656 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 84 PID 2992 wrote to memory of 4460 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 87 PID 2992 wrote to memory of 1508 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 89 PID 4364 wrote to memory of 4548 4364 elsvkyrb.exe 92 PID 4364 wrote to memory of 4548 4364 elsvkyrb.exe 92 PID 2992 wrote to memory of 5056 2992 2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hdnoedix\2⤵
- System Location Discovery: System Language Discovery
PID:4336
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\elsvkyrb.exe" C:\Windows\SysWOW64\hdnoedix\2⤵
- System Location Discovery: System Language Discovery
PID:3052
-
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create hdnoedix binPath= "C:\Windows\SysWOW64\hdnoedix\elsvkyrb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:656
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description hdnoedix "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4460
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start hdnoedix2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1508
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-
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>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5056
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 10962⤵
- Program crash
PID:3792
-
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C:\Windows\SysWOW64\hdnoedix\elsvkyrb.exeC:\Windows\SysWOW64\hdnoedix\elsvkyrb.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-04-15_90b2d5bfbbc14fccec32d71856bde388_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4548
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 5562⤵
- Program crash
PID:2984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4364 -ip 43641⤵PID:3220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2992 -ip 29921⤵PID:2160
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\elsvkyrb.exe
- Size 15.0MB
- SHA256 d2b5b29a64ec24a29002448a4a055d54d452b24b96891f78e25d03881cb6b58f
- MD5 3b78372ed45b376d3b21fb0af796f580
- SHA1 7a0729d00533fe56376e409b172655b9d1681d58
- SHA512 fbf329d042f42ef609bb996f2ffa22c68c5614032abdb65446a08aeb49f8a6e44e292aa8253ff2e2e7c783d69e6a82bf15de46261580db5418213f4a40ad4941
- SSDEEP 6144:eIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCi:pEidhAglQhyupLer5+nZo
- TLSH T126F6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH