Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 01:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
- Size 1.2MB
- Sample260723-bse4xsyfpc
- SHA256 ffdd0a5d677a274445b42f064b77893aae02aeae0bcf1204a03a11027ef02cd4
- MD5 2319ece3fb4621787bd3fe8875501fa8
- SHA1 923fc0193067353206f9beecc1f5b3c3f364707b
- SHA512 e9326864d4347cabb6300831bdd42acc9a60ebe2470748967c92ea18aafeab74d1969d5bd357e874a5c4421d68c80dcd4919fd0f771c8676a79577fcaee48e6c
- SSDEEP 12288:cFUNDaxYI30tXbfW55EVsxUSvVXezFUEscmud3D8Q0:cFOaxYQ4fUhUSvuUnfuxAQ0
- TLSH T11745AE15F7A40196D1B7C27C89A9CB99F971FC010730ABCB02D052D92E23BD56E7E3A6
- 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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe - Executes dropped EXE 6 IoCs
pid Process 3696 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1928 icsys.icn.exe 1372 explorer.exe 4816 spoolsv.exe 5100 svchost.exe 1308 spoolsv.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe - Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe icsys.icn.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe - System Location Discovery: System Language Discovery 1 TTPs 6 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 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1372 explorer.exe 5100 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 1928 icsys.icn.exe 1928 icsys.icn.exe 1372 explorer.exe 1372 explorer.exe 4816 spoolsv.exe 4816 spoolsv.exe 5100 svchost.exe 5100 svchost.exe 1308 spoolsv.exe 1308 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1860 wrote to memory of 3696 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 90 PID 1860 wrote to memory of 1928 1860 2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 92 PID 1928 wrote to memory of 1372 1928 icsys.icn.exe 93 PID 1372 wrote to memory of 4816 1372 explorer.exe 94 PID 4816 wrote to memory of 5100 4816 spoolsv.exe 95 PID 5100 wrote to memory of 1308 5100 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1860 -
\??\c:\users\admin\appdata\local\temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exec:\users\admin\appdata\local\temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe2⤵
- Executes dropped EXE
PID:3696
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1372 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4816 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5100 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1308
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
- Size 1.0MB
- SHA256 6a948ce998d51de110dcd85330e0f8d51743171d07bb7f70a3bfcdbe43659f31
- MD5 f63eb3c2cb1080cd9149d4c02e82538f
- SHA1 449f92ace8fed490b48970e0b13094a89044bc92
- SHA512 c2ea4cce2a051d1aa93ffa0fee2a0bc5155ba0e2cb8a9fe0006c98661b835d1af5538a2c7f966b074e5e946b5af155e5b7a820b9fd39b83bfc7713db6465bf8b
- SSDEEP 12288:ZYI30tXbfW55EVsxUSvVXezFUEscmud3D8Qy:ZYQ4fUhUSvuUnfuxAQy
- TLSH T15B359E55E7E41185D1FB923D8AAACB99E971FC010730A7CB01D441EA1F23BD85E3E7A2
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 135KB
- SHA256 a0282fce9c8947263ab6688a622dd5a62d109090347a5c55e38d20946b2c564d
- MD5 500c29f64b7888cba2b9fdf72425c99c
- SHA1 1f5adb44cd7362f1053e5ca98ea8e76166fd9c12
- SHA512 b795377ee1afaf9a0137ddd22d46655a4a7f3cfafd23df8bb857ae0d486e841ab0128e852f9cd935aa91f4d45126fd118bf914c6f2779b94bfb7f5f707177603
- SSDEEP 3072:XVqoCl/YgjxEufVU0TbTyDDalb80000000000000000000000000000000000005:XsLqdufVUNDaq000000000000000000F
- TLSH T1D5D309237E11506EEC26CDF16865DB6ABA521F361BE0AD0B76A3FB00397510376F121B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 58cb659ff2e72354721439179cdde6ed613f101446e451b4a8b2ee0e41335d72
- MD5 7ecc756e51e1dbb13a46baac5ba43998
- SHA1 cd52cd1857d09b3ac7d97adf323c1601c6fd6e0f
- SHA512 0bf299abafadc2956e85759fb66494c32500c42acbeee82f7923ee1ad4e27aadcc08597d976a9df9d315c21743e78a5935a3eb8d861b276da722351298981a2e
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbghO1:XVqoCl/YgjxEufVU0TbTyDDalb1
- TLSH T1E9D3F713BE10243BD521CAF168A6DA7ABB225E361BE06D0773667B60357250376F831F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\spoolsv.exe
- Size 135KB
- SHA256 964f1bf2acf1b53945c80183135a191666974a4201f85aa001034d8f0a0ff10e
- MD5 a29b84a283ee6d9adda83d67fcdcda3b
- SHA1 6aa6bbd71d949bbd35dfa2bedfb486205681cd9f
- SHA512 d14ba3707bbd645b2c8d075372fd1dd0ac4bdceae6ae82fe39965da3897c45e5246417060fd8fdc3c021632089fda53329f8a08874f28cb85e2cee91d8a93d0d
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbghOG:XVqoCl/YgjxEufVU0TbTyDDalbG
- TLSH T1D8D32C23BE14242ADD51C8F564E9EA7EB9135E3A4FB06D1762A1BB0034B2903B5F570F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\svchost.exe
- Size 135KB
- SHA256 8df7b3ba2ababb228a88086de3cada7ab03fb6a20cc4b77bda9dc1066d4a0996
- MD5 d5f26e86d294382e87be300455983c62
- SHA1 bfb53f768533a84b21bc50cd588d834ed071fd6e
- SHA512 4de6ffe2f08e7af24d1c49c8a87a7e8923d0030c7a7b8226183cfe9801c9a2cdeafd12378f81a78dd00beedd16b0c8c6955d9fde624ba5e168c6c8f23b84a60c
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbghOX:XVqoCl/YgjxEufVU0TbTyDDalbX
- TLSH T13ED309237E10923FDC11CAF26CA5EA6AB9625E361BD0AD477352BB0476B115772F020F
- MD5 SHA1 SHA512 SSDEEP TLSH