Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 03:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe
- Size 352KB
- Sample260417-d4zc2set5p
- SHA256 995f94ec32c590d30ec8b26ed7eedc3a9409186304e17f88983e83ca1aef7f2e
- MD5 65ac1cb8898577a213d174b181bfb978
- SHA1 16ffb5f20930bdc7768caeaea230809f250bef12
- SHA512 9220ad4bed13dbef50dd347d037a0abfe87d943dac38418a620cb01d7cf56b212c11d3388986cb3dd9414e8352437962440ce3b1ab6568f2db3eeda08d2ce54a
- SSDEEP 6144:Oaq/uuIcNmLX8dhaRbeo9lXwHFBSvOJFISYTkSqer5+nDFoy5s:OzGuXS8XaRbeoD3vOJFIcer5+nZoyG
- TLSH T13B7419097750F8FBC924CFF0682947915224A8B73A81AD17E5C0170A6DFB9EADF11B27
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe Set value (int) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nuotuo.exe - Executes dropped EXE 1 IoCs
pid Process 3924 nuotuo.exe - Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /X" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /s" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /f" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /L" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /L" 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /h" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /U" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /w" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /t" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /I" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /v" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /Q" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /m" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /p" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /B" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /W" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /N" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /d" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /y" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /D" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /o" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /q" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /H" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /g" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /j" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /J" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /r" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /z" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /Y" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /S" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /n" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /O" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /C" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /V" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /K" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /a" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /l" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /k" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /T" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /A" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /E" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /x" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /G" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /R" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /e" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /u" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /F" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /P" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /b" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /c" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /Z" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /M" nuotuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuotuo = "C:\\Users\\Admin\\nuotuo.exe /i" nuotuo.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nuotuo.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1164 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe 1164 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe 3924 nuotuo.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1164 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe 3924 nuotuo.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1164 wrote to memory of 3924 1164 2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_65ac1cb8898577a213d174b181bfb978_cobalt-strike_elex_icedid_njrat_vobfus.exe"1⤵
- Modifies visibility of hidden/system files in Explorer
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\nuotuo.exe"C:\Users\Admin\nuotuo.exe"2⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3924
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\nuotuo.exe
- Size 352KB
- SHA256 5e056dd320b1e0155cc8c6d01cf6d394994466b5ecf92a828b4a84bd6801ca06
- MD5 2bd3fb4647be85909c6b4a73f407158c
- SHA1 f2f8e9aeed62d6330f01c7903b9cef1d6e27fb12
- SHA512 564d12468764c41d7768fd6c0c0e63905bc970f3a27889b5487246bfa82ffca3b5b9e94fe9533037123c9f66d1ced6021366643dedaa7f40b90a992f46f186b0
- SSDEEP 6144:Oat/uuIcNmLX8dhaR8e6lXwHFBSvOJFISYTkSqer5+nDFoy5s:OgGuXS8XaR8eo3vOJFIcer5+nZoyG
- TLSH T1FD7419097750F8FBC924CFF0682947915224A8B73A81AD17E5C0170A6DFB9EADF11B27
- MD5 SHA1 SHA512 SSDEEP TLSH