Analysis
- max time kernel
150s - max time network
152s - 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, 01:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
Resource
win11ltsc2024-20260709-en
12 signatures
150 seconds
General
- Target 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
- Size 348KB
- Sample260723-btxelacl4s
- SHA256 3d0560dbb008075299a0739202ed6c9a330a2ead81054cc20d9d7a4bea92842d
- MD5 0c97bc738c6010704f61b0c9c7e60c4d
- SHA1 92c7794ca797ee769bdbbb95259058c7b4efaa71
- SHA512 45bf18a5853d37d7c6d54a0fe1163ffe7972ab6fdd780efab0819efa15d49bd32105709814ab47cf7d937f5290ccab233d4880432d904c3dd58b7ca717bacef1
- SSDEEP 6144:XsLqdufVUNDaj2A6ptaI3TmpkbTQyZ34B:cFUNDaj2A6ppmdB
- TLSH T135745C137FAC04A9E8B386B05C755216FA327D222B70DE0F13655A289E33742BDB5727
- 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 2084 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1344 icsys.icn.exe 2536 explorer.exe 4664 spoolsv.exe 2204 svchost.exe 2652 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" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe 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 - 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_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.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_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.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 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 1344 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2536 explorer.exe 2204 svchost.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2084 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 2084 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2084 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1344 icsys.icn.exe 1344 icsys.icn.exe 2536 explorer.exe 2536 explorer.exe 4664 spoolsv.exe 4664 spoolsv.exe 2204 svchost.exe 2204 svchost.exe 2652 spoolsv.exe 2652 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4972 wrote to memory of 2084 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 89 PID 4972 wrote to memory of 1344 4972 2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 90 PID 1344 wrote to memory of 2536 1344 icsys.icn.exe 91 PID 2536 wrote to memory of 4664 2536 explorer.exe 92 PID 4664 wrote to memory of 2204 4664 spoolsv.exe 93 PID 2204 wrote to memory of 2652 2204 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.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:4972 -
\??\c:\users\admin\appdata\local\temp\2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exec:\users\admin\appdata\local\temp\2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2084
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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:1344 -
\??\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:2536 -
\??\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:4664 -
\??\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:2204 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2652
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 135KB
- SHA256 c5e4fe0af6f3e296dfaccfefe06e81d07b4e2ed57745ebe1fb8c74c4edaa61c3
- MD5 0d8bb2b884b530874a0291a635c24fd0
- SHA1 1f42b3d68fcdea26bb8e788dc76ce8757324dd91
- SHA512 07cfbf42a17fc64345b8c1e2fc8feeff71c3c5545957c88cfe8cdc2f8361dc0b060732ef5799079f2e89cb1297018e1f99bd58673a1bccf3b4fc8f017adf4fac
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgDN:XVqoCl/YgjxEufVU0TbTyDDalMN
- TLSH T1AED3D8237E18506EDC52C9F12C68E66E7A211F265BD4AD0B72AAFF1436B170371F121B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 fc63471ce6c801e25574bdee37ba75b53dec11ccb8f1ad888584680a1c589763
- MD5 25598a1ad37549ce6b6323f8ef58bd46
- SHA1 52827e97de17112c3e2c066965b30cc401386fe2
- SHA512 4b17238db2bc66eb73f7014fa389cc607a64bbf3f2cfc77faca340df72b80b0fc5f185c993254366d4412796d1c15b8533e2c652a6289b5c7e235ff354f72526
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgDO:XVqoCl/YgjxEufVU0TbTyDDalMO
- TLSH T11AD319237E24983EDC5289F12D75E26AB9224E221BE07D0B77BBBF14257650371F421B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\spoolsv.exe
- Size 135KB
- SHA256 1f5181cf3512f8d5a9d67d34c35caa0ea0304904b8cd9f357ced3b322e401bbe
- MD5 55b312baa31fc576c29f1d6a1ac2af43
- SHA1 19ea5fa43cd721a9b097c4865ddf0cba192d41a4
- SHA512 30e31753f556ce9b7ac78a47121c65021b56b3847c34a6f081b5e29ff5497ac6c0b1acea538550bd9a42c83eb2372f62daf69ecc5a0771ba2b7f9b7712225fa7
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgDQ444444444444X:XVqoCl/YgjxEufVU0TbTyDDalMg
- TLSH T194D30933FE04441FE960C6F128A9EAAAB9116E361FD09D1777A6BB15647210376F032F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\svchost.exe
- Size 135KB
- SHA256 41b2c8cf04a830d84385edff576303960db0c14f1a5071f9c62827d160819cf0
- MD5 e5b4beeb54db894e7fa02f46fdf7ece7
- SHA1 09b8ff391a8acdbede29d8bcf5373bd84ecbefdc
- SHA512 e2f34be2f527c5d06815f6c31e4b533e3c08abb38dc77636bfb3006f05cb18cfce2e4ee65f4e212d2e8f3e5c9dcc9f4b00bd11713af0c828b3d5cdad14b9068a
- SSDEEP 1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgDg:XVqoCl/YgjxEufVU0TbTyDDalMg
- TLSH T1C1D31A237E10903BD82185F228E4EA6EB9626E255BE49D0B3676BF1475B620774F430F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\users\admin\appdata\local\temp\2026-07-23_0c97bc738c6010704f61b0c9c7e60c4d_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
- Size 212KB
- SHA256 cd88a57f574aa040d9e5dec01b35bd06cf8ac6c0456c47c16bcb380e87ca3565
- MD5 1564b5349ecdda4f76d152475b74ee2b
- SHA1 877888b2ad4e7c94784f8e43aaf66696c9209301
- SHA512 29eaf1e0b6214c9e1d98aec2a1cc9cb972c3ec15f10a61ac58d11247223cd90025688c698bfabe4682293a75c3cf9efadebe7e6404fa192a90f32049691e95c6
- SSDEEP 3072:ANWPegR6pCd/sbaIyIq68IMUTSpddkb2FIXY9UFrGLvaZ2O4GaH:n2A6ptaI3TmpkbTQyZ34p
- TLSH T1612439557BEC00E5E1BB563489755516EB36BC623B34CA4F0360026EDF23B909E3AB72
- MD5 SHA1 SHA512 SSDEEP TLSH