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
01/08/2026, 19:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
- Size 272KB
- Sample260801-xswbsseq31
- SHA256 8ac912eb077aa473aa9a21fd91011a910ad45fa6445ad406f119ec66b8a0bc29
- MD5 e0b3f2ab870dc2089d90f8efaac4a98f
- SHA1 67f5b1016614ad1aae545f8397dae6d4cbcb5e4e
- SHA512 a260629fa26ce5c59ad9fef0f2f299d80822e9e0ce6f13e2237b2d95cb6ad92217586453eca9c933372d86a73d2d43fd962de303fa03293182cb28ef0a300fe6
- SSDEEP 3072:UVqoCl/YgjxEufVU0TbTyDDalvBrLZQUqhg4KJzkvFSva2cCL4c6Vi2dqYIW00a:UsLqdufVUNDaD83y6Ca2bIqYIR0a
- TLSH T1F9546D073A5820E9F62A85B15C619E2DF7317D310BA49F4B23E1A7012E7228B7DF571B
- 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 1116 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4124 icsys.icn.exe 1976 explorer.exe 5804 spoolsv.exe 3732 svchost.exe 4628 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\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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.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\tjud.exe explorer.exe File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_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 - 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 spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_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 - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 4124 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1976 explorer.exe 3732 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 4124 icsys.icn.exe 4124 icsys.icn.exe 1976 explorer.exe 1976 explorer.exe 5804 spoolsv.exe 5804 spoolsv.exe 3732 svchost.exe 3732 svchost.exe 4628 spoolsv.exe 4628 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1240 wrote to memory of 1116 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 89 PID 1240 wrote to memory of 4124 1240 2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 90 PID 4124 wrote to memory of 1976 4124 icsys.icn.exe 91 PID 1976 wrote to memory of 5804 1976 explorer.exe 92 PID 5804 wrote to memory of 3732 5804 spoolsv.exe 93 PID 3732 wrote to memory of 4628 3732 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_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:1240 -
\??\c:\users\admin\appdata\local\temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exec:\users\admin\appdata\local\temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe2⤵
- Executes dropped EXE
PID:1116
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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:4124 -
\??\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:1976 -
\??\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:5804 -
\??\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:3732 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4628
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
- Size 137KB
- SHA256 21c9dab8c0377af2e02876b92a50312382342eeb3c18e0cbfa6892ab40563d12
- MD5 d01771ee9a059e17f6f246358aa548ee
- SHA1 5383da171adf26bf826d47e9db5e7ccbe287ff1c
- SHA512 6246c26a10d42aeea5335c6b1edb13377db9ed949bd6000e399e32d05469083a5308a69999003b444aaf8cfb7cee8ec09302166a45224b07f7f83c393bdd9036
- SSDEEP 3072:XLZQUqhg4KJzkvFSva2cCL4c6Vi2dqYIW00:783y6Ca2bIqYIR0
- TLSH T185D34A0773DD30F9F26E42B88C529E19D77278310A218B9F03E016572F673999DBAB60
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 135KB
- SHA256 684c1e23d1bab3e56223592d84b6a872fb76ca9ba1538852cd669dc951c03e4d
- MD5 ffe6da2960e69abab016756a38ce65a4
- SHA1 6fdccf7a817b94de21826cb913f7b90873e93b97
- SHA512 67a791dd640c49ad57717ea182c80b8d508ff2eaf5a5969fa4a3700df3883b8b6df56df111ab5c763e869c4d3ed3451ff573d4cee62c8979aca1a3b851bced85
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhB1:UVqoCl/YgjxEufVU0TbTyDDalvB1
- TLSH T121D31A13BE94403FD82685F1A8A1DB6DB9211F3A0BE49D07B367FB05267660B71F421B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 778fe84c00f08b0be44c828eb54d830ae8cf889a2b91f35429528c7bd86082ab
- MD5 e636040dfacda57ced0e5c919fce7e2b
- SHA1 6db2999b7cc35a97606ea96db2ebc81d7856d098
- SHA512 8d5dbe996eb182cc9a1705bd30b8bc7a5767c95e95b126d5475eb920b31610f4147901a26db5b0d8903a382c18ae8bfe54e5b81840719f9c382804db6ef3a050
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhBT:UVqoCl/YgjxEufVU0TbTyDDalvBT
- TLSH T106D30A176E10402EF921C9F22CA9D62EF6215E360BE8AD477362FB04797124B79F521F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\spoolsv.exe
- Size 135KB
- SHA256 fca3526895b4db4e95919f014a161ed1919461586360e2c5cf75c800aa9233f8
- MD5 1672e9d4af5c012c734876712bdf40b9
- SHA1 aea582e646506b80f25ec5f9f9b9083e437574a5
- SHA512 b6071733404c0eaecb476b13bb6af6296436679f388d3d66565f2be9c995bdb7dab14fd00edba15bfebcf731636163791603769953a7990527c76e67384511bf
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhBQ:UVqoCl/YgjxEufVU0TbTyDDalvBQ
- TLSH T112D30823BD50442ED45685F15C64AB2EBA296F3B0BE5BE0B2255FB002BB5343B5F610F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\svchost.exe
- Size 135KB
- SHA256 3a90c1f0111fdeb7984e7cb89acfcd09fb72dc7806fedfc8cf40303538b2de4d
- MD5 3e839a7abce1b65b792ce1aef998375a
- SHA1 a234f603aa74f7d300e76124d542bf802dea8699
- SHA512 61d8778fd1d2384145780c2bec6e07f37a56f7350a0a926ed9e8ae2b9baad8ba9250d0770d70393c14b9e01c44e561fe8386b16072e303165fa5078f17bfedf1
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhBW:UVqoCl/YgjxEufVU0TbTyDDalvBW
- TLSH T102D3F823BB21416FDD12CAF128A5A66EF9261E360FD47E4B3395BB00357650776F220B
- MD5 SHA1 SHA512 SSDEEP TLSH