Analysis
- max time kernel
150s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/05/2026, 12:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe
Resource
win11-20260513-en
10 signatures
150 seconds
General
- Target 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe
- Size 307KB
- Sample260522-pnlb2aa12r
- SHA256 563e77deaa46913615cff60602b91a07162dc36c0b4aa7699a95c78c3260d519
- MD5 73a9609ea8cfbc5ce6c82591e63b7edb
- SHA1 097d8c4230ca848d26998a6d7b6a41f463c53203
- SHA512 a7a0ef0d0dbc8c62ccb8eb3a9481826a33de652877e01de1ccc2b0338540f9f0c011ac88c47c50457fbcda5671e5f22b66041f02c06cfac2ade9f1b6a5fdcc47
- SSDEEP 6144:UsLqdufVUNDa9dHeuAbGuYVie+0T1ddxWTXOvXjfaz4WxXbhGUv0CNQ:PFUNDa9kuAbGuYVie+0TZxWTXOvXjfa8
- TLSH T178647D323A808076E05345B069B5D7B6BE7A7D321760AD4B77E56B246E70283B2F034F
- 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-1-5-21-1768642833-2142038154-4041560723-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-1768642833-2142038154-4041560723-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe - Executes dropped EXE 6 IoCs
pid Process 5688 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 2700 icsys.icn.exe 4516 explorer.exe 1960 spoolsv.exe 5500 svchost.exe 1504 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 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.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 7 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 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.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 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 2700 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4516 explorer.exe 5500 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 2700 icsys.icn.exe 2700 icsys.icn.exe 4516 explorer.exe 4516 explorer.exe 1960 spoolsv.exe 1960 spoolsv.exe 5500 svchost.exe 5500 svchost.exe 1504 spoolsv.exe 1504 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1336 wrote to memory of 5688 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 80 PID 1336 wrote to memory of 2700 1336 2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe 82 PID 2700 wrote to memory of 4516 2700 icsys.icn.exe 83 PID 4516 wrote to memory of 1960 4516 explorer.exe 84 PID 1960 wrote to memory of 5500 1960 spoolsv.exe 85 PID 5500 wrote to memory of 1504 5500 svchost.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.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:1336 -
\??\c:\users\admin\appdata\local\temp\2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exec:\users\admin\appdata\local\temp\2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5688
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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:2700 -
\??\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:4516 -
\??\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:1960 -
\??\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:5500 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1504
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-05-22_73a9609ea8cfbc5ce6c82591e63b7edb_elex_rhadamanthys_smoke-loader_stealc_swisyn_tofsee.exe
- Size 172KB
- SHA256 42a5cdd3daa1798099625962a569a72656f28dd7d408be0e532bb12ee35ec4aa
- MD5 66c32d00fe5cddc331bcb868ecc77104
- SHA1 8d2b4193ca5f7f92c7c608361023ac6ca13b02b6
- SHA512 9bd91a5bc1ce7d2c783ac15bb0cd602df2c82c9b558e6532c8b18ae39995ab6884c4d614155c9e0bb0599191e9d2dc2d81908240d4c1120e68ca19689e911617
- SSDEEP 3072:Hjaz/kdH1QuA3rGuYt/ie+0T1ddxWTXOvXjfaz4WUSXpltz7GUd+w3wieCzp:XdHeuAbGuYVie+0T1ddxWTXOvXjfaz40
- TLSH T17E048E3432D0C072E453113586A5CBB14EBEBC763322A98FBBED16B99F246D1963435E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 705fcd5abced45813957651910b0bcd22ba04f73c8e03b941939cf9c5b35b644
- MD5 fdbc249eb09d183d6818cb59978d8613
- SHA1 1d929ab69013d696c4be29178e987c8608a09603
- SHA512 8b3e0ca316548a78909e28a910b575a44e01caab70c3d9e33835e074db198f7a2ec3fb9751561f8d025213ba394ba84d8ff66904adb481af598dcb8dc753b3a1
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVXl:UVqoCl/YgjxEufVU0TbTyDDalRl
- TLSH T1E8D3F9276E50102FE55285F178B6F6BEB9669E360B94AD437262BB0038F624375F034F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\spoolsv.exe
- Size 135KB
- SHA256 2b6223f01c3d22b55e40f232e15466b55d8b64451bf5d7bb4ed80c6ecd78973c
- MD5 1e4ceb99056a1c018fe52a62b417a8d4
- SHA1 d4780812b0c09e819e371c4b839adb537762bea6
- SHA512 fcb388cfc855bded759dfaf2ea0894e8922c3d38c9acc532c6dcd8bf4fea6f7214af52b82a6ffa1e1239c404a02e275171e7db883e0b838ca7a1a8e66934cb45
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVXj:UVqoCl/YgjxEufVU0TbTyDDalRj
- TLSH T18ED318236E51903FC911C9F15DFAEA1E7A621E260BE1BC07325ABB502A7254776F070F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\windows\resources\svchost.exe
- Size 135KB
- SHA256 2d8d1551ed6204ba1da6a2822cc1b1ad937689bfd8389cd4e83f1724522ee3f8
- MD5 4e8a8bfe5047a9a2e6f5d69b2ca2876c
- SHA1 4785eb2d9f87bc6eb9b1d48317507104773c93a7
- SHA512 1bc4e2361a6baa2b118d6737f78c7fbe075abe91561b18e650c9f0304f1dc4f88a68e313eb8d2940269948bf8482095ba974da7ee76cd8877099fcc0611ea5da
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVXf:UVqoCl/YgjxEufVU0TbTyDDalRf
- TLSH T1EBD3E8277E40482FD421C5F518BAEA1E76662E3A17D09D4B7293FB0026B928372F171F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\windows\resources\themes\explorer.exe
- Size 135KB
- SHA256 1af4396cbae9487ba8ef8eae1f812cd00d0cbc27a082b8dc6adb9d00c2f7fcb6
- MD5 9df5c3e8a470815ce5d49cace43e4397
- SHA1 515e7b0a8ffbc2e290860a76ba9adca5bb2bb4d7
- SHA512 5c38add37d8e45af505ccbbd3599c6f9fd727a340b3554d158ad6c9b02ce37ccfa5cc83c3db160755075331ee64b67c9c55aac9eb5fb61897c1ded2981d4309c
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVXF:UVqoCl/YgjxEufVU0TbTyDDalRF
- TLSH T1B1D308236E50402BE861C9F168B1E66DF5626F361BE0AD133293BF206A3664735F531F
- MD5 SHA1 SHA512 SSDEEP TLSH