Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/05/2026, 02:53
Static task
static1
Behavioral task
behavioral1
Sample
2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
Resource
win11-20260513-en
General
- Target 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe
- Size 11.6MB
- Sample260523-ddhbvaby2m
- SHA256 7c69123e4717648d72d66a8bc37e428797d405037567c95c6d79f9e850fdecf2
- MD5 bcbee0474dd9c573754ec1bb19c7d135
- SHA1 1ded2edbbf857fe92ad1215c14cc8f117df0205f
- SHA512 b2cf46185a2a2aba7977fcbbe4156f10a5093c3c739e6a12db398531c6c482da4a7431d259d76036a12f9b461d7eb5f7e0cc04ce7201ea6f74c21a5d9769548a
- SSDEEP 6144:cIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCH:LEidhAglQhyupLer5+nZo
- TLSH T13AC6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4012 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\dfmpugey\ImagePath = "C:\\Windows\\SysWOW64\\dfmpugey\\bzowpfaw.exe" svchost.exe - Creates new service(s) 2 TTPs
- Deletes itself 1 IoCs
pid Process 2780 svchost.exe - Executes dropped EXE 1 IoCs
pid Process 4180 bzowpfaw.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4180 set thread context of 2780 4180 bzowpfaw.exe 92 - Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4900 sc.exe 816 sc.exe 2680 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 2392 4180 WerFault.exe 91 2984 1220 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 bzowpfaw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_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 svchost.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1220 wrote to memory of 4072 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 80 PID 1220 wrote to memory of 3768 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 82 PID 1220 wrote to memory of 4900 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 84 PID 1220 wrote to memory of 816 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 87 PID 1220 wrote to memory of 2680 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 89 PID 4180 wrote to memory of 2780 4180 bzowpfaw.exe 92 PID 4180 wrote to memory of 2780 4180 bzowpfaw.exe 92 PID 1220 wrote to memory of 4012 1220 2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_amadey_elex_njrat_remcos_rhadamanthys_smoke-loader_stealc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dfmpugey\2⤵
- System Location Discovery: System Language Discovery
PID:4072
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bzowpfaw.exe" C:\Windows\SysWOW64\dfmpugey\2⤵
- System Location Discovery: System Language Discovery
PID:3768
-
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create dfmpugey binPath= "C:\Windows\SysWOW64\dfmpugey\bzowpfaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_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:4900
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description dfmpugey "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:816
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start dfmpugey2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2680
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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:4012
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 13202⤵
- Program crash
PID:2984
-
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C:\Windows\SysWOW64\dfmpugey\bzowpfaw.exeC:\Windows\SysWOW64\dfmpugey\bzowpfaw.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-05-23_bcbee0474dd9c573754ec1bb19c7d135_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:4180 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2780
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 5362⤵
- Program crash
PID:2392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4180 -ip 41801⤵PID:3148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1220 -ip 12201⤵PID:2964
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\bzowpfaw.exe
- Size 12.8MB
- SHA256 4383753d9262dd507e5c061eb45c4e3cc60dccb6b80209faeafcec41a537470e
- MD5 d03fa239036c439185ba27523062eed4
- SHA1 0dd3cc6a51d17da7506c35aa50317db6cf9d7808
- SHA512 e66021d0e71a3875905a2bc236417dc3e3a490d0b8f663f10d2eeb8830be5db2f2e91b27d76a632f425142f080b31b72b363a0d8da210e380c3079f4323bf131
- SSDEEP 6144:wIzw8mFAdhAtKlQXRbeoVp59Sqer5+nDFoGCCCCCCCCCCCCCCCCCCCCCCCCCCCCn:nEidhAglQhyupLer5+nZo
- TLSH T102D6851541F80D57DA66BE34757F1B1FCCE9140A702EB7092094F1AEFAB9993C82A372
- MD5 SHA1 SHA512 SSDEEP TLSH