Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 04:12
Static task
static1
Behavioral task
behavioral1
Sample
2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11-20260130-en
General
- Target 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 12.3MB
- Sample260416-esnylsft2q
- SHA256 ec5365e13ba213676273f431f71707d2a16e0f61d1bb445d23ee37d2b269623a
- MD5 eccfd4adaa6de564e34de750b8737893
- SHA1 dfee1226f0f3ff12d0d5a18f28c1167fda6c9f55
- SHA512 f2f9eacd63d4175a0cf033468f0c8964ede27cd5b2692687b58d7c6015734064f311fdfe07ec3d1fa6c607502336906e06e696e4353ee10e53e700cd1abf4ab1
- SSDEEP 12288:rEidhAglQhyupVe0L1ZA1YaL8i0DCmer5+nIwaJCer5+nTer5+nTer5+nTer5+n1:4NgShFLAVd
- TLSH T1B7D60A02B76499D1DA624BF8583045D5A333F8917E5297A6EC48B30E8C67F889F23F35
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1296 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\rfcqedag\ImagePath = "C:\\Windows\\SysWOW64\\rfcqedag\\zplavnlt.exe" svchost.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 2956 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 4288 zplavnlt.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4288 set thread context of 2956 4288 zplavnlt.exe 91 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5092 sc.exe 1856 sc.exe 1492 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe - Program crash 2 IoCs
pid pid_target Process procid_target 1564 4288 WerFault.exe 90 2804 2288 WerFault.exe 78 - 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 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_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 zplavnlt.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2288 wrote to memory of 3692 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 79 PID 2288 wrote to memory of 2344 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 81 PID 2288 wrote to memory of 5092 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 83 PID 2288 wrote to memory of 1856 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 86 PID 2288 wrote to memory of 1492 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 88 PID 4288 wrote to memory of 2956 4288 zplavnlt.exe 91 PID 4288 wrote to memory of 2956 4288 zplavnlt.exe 91 PID 2288 wrote to memory of 1296 2288 2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rfcqedag\2⤵
- System Location Discovery: System Language Discovery
PID:3692
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zplavnlt.exe" C:\Windows\SysWOW64\rfcqedag\2⤵
- System Location Discovery: System Language Discovery
PID:2344
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create rfcqedag binPath= "C:\Windows\SysWOW64\rfcqedag\zplavnlt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_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:5092
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description rfcqedag "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1856
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start rfcqedag2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1492
-
-
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:1296
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 13242⤵
- Program crash
PID:2804
-
-
C:\Windows\SysWOW64\rfcqedag\zplavnlt.exeC:\Windows\SysWOW64\rfcqedag\zplavnlt.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-04-16_eccfd4adaa6de564e34de750b8737893_amadey_elex_glassworm_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:4288 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2956
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 5562⤵
- Program crash
PID:1564
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4288 -ip 42881⤵PID:3976
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2288 -ip 22881⤵PID:3824
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
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\zplavnlt.exe
- Size 12.5MB
- SHA256 2296946a0ead578e0e66f549ce00ecea1ef457012cb6180085a3a75f92c3f148
- MD5 e8c6034cb073e95a61d804df4205f4ad
- SHA1 8279f74419a69612a8d8fa6560046fd40cd57967
- SHA512 02948d3a8881893262677e20252ad7076de55ed41325291af1ea1bcaf769d6aec2b410a16b6d6128cdaca628903d37deef377a4c387ddc5b63675e0b0bd9582a
- SSDEEP 12288:lEidhAglQhyupVe0L1ZA1YaL8i0DCmer5+nIwaJCer5+nTer5+nTer5+nTer5+nH:yNgShFLAVd
- TLSH T18DD60A02B76499E1DA624BF8583045D5A333F8917E5197A6EC48B30E8C67F889F23F35
- MD5 SHA1 SHA512 SSDEEP TLSH