Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 18:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
- Size 1.1MB
- Sample260727-xbfvsack2z
- SHA256 dca16ca4a9d3ba6458716effd0cad2551ee984549ed713804457efd4b9e09582
- MD5 f253c645340bdc90e81a5f2eeebb7538
- SHA1 db0c865d4c342f70282f9ebc8b256187e88bb116
- SHA512 9fe4dbf5f7548737042c21743d8dfeae4faf2b5055acd91c7fbe5a060a17847d0b8968c1d924b68158ad9e0c9000e25ae71d0c9c841260334175b6600199c37f
- SSDEEP 24576:PFOaXagFDt+7Qwa27CyOLsRDeTb+/QWiHT8sfF:tWCBenJOL+sb+/QWiHTnd
- TLSH T14E35B013FBC280B6CA4345B05879DB2FB525AE5D0B25CFC3B6C07B1868B16D26D77286
- 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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe - Executes dropped EXE 6 IoCs
pid Process 4836 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 3264 icsys.icn.exe 3776 explorer.exe 4352 spoolsv.exe 568 svchost.exe 6012 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\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_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 - 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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3776 explorer.exe 568 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 3264 icsys.icn.exe 3264 icsys.icn.exe 3776 explorer.exe 3776 explorer.exe 4352 spoolsv.exe 4352 spoolsv.exe 568 svchost.exe 568 svchost.exe 6012 spoolsv.exe 6012 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 532 wrote to memory of 4836 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 89 PID 532 wrote to memory of 3264 532 2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 90 PID 3264 wrote to memory of 3776 3264 icsys.icn.exe 91 PID 3776 wrote to memory of 4352 3776 explorer.exe 92 PID 4352 wrote to memory of 568 4352 spoolsv.exe 93 PID 568 wrote to memory of 6012 568 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_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:532 -
\??\c:\users\admin\appdata\local\temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exec:\users\admin\appdata\local\temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4836
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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:3264 -
\??\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:3776 -
\??\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:4352 -
\??\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:568 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:6012
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
- Size 952KB
- SHA256 ae98037ec2f858f0f9a6c69b3267e5268f20dbf08f324aa4453d2252c1b31d52
- MD5 765926191d0bbecab1181d6340bfa30d
- SHA1 f7eb2a092ba65f0fb1746ab5296b742728181a2b
- SHA512 1bf4f94726f64e81ef25ba4a2ec938aa59d3bee2143968ee68123c8db4e55ead1ea5f4d558b355bf3c36673f7abe7d63bcb39e4e314989e2d28691cd9aadc76b
- SSDEEP 24576:cgFDt+7Qwa27CyOLsRDeTb+/QWiHT8sfC:cCBenJOL+sb+/QWiHTnK
- TLSH T1AD25BF12E7C680B6CB4745B5487AE72FA626A69D0B25CFC3F6C03B1D98B16E04D372C5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 135KB
- SHA256 011cf0b86ebf51c60e3653b704be157cb14c923a322cf70f1a5107fbf01be65e
- MD5 34d043aacb7b27d327e4604839ad7ebc
- SHA1 3b6e64bb89079cc06c4491ca4f6d1843c9ce09d2
- SHA512 4a2be390b889ee2e7b283c16cb5fcbb4d2f53b70ea0ec17d8c0c5d2ba6823858d5a2e046f49719b13194f7677c6cecfa1c4a185fbff1a5d09c1fd6cf10dcad39
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV7Ct:UVqoCl/YgjxEufVU0TbTyDDaltCt
- TLSH T1ECD31A33AE5054BED851C6F56C999E5DB9125F3A0B909D0733A2BF046A72603B2F930F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 c015ab1a7eb4c0b8966233140861bab7da7aedc87bd0addd0d967e76ab0b11ae
- MD5 c87f9d80185eb4345d78779dca888f20
- SHA1 15d2843dd9c86c66afc7f83eca4aa3e0c86d5c34
- SHA512 1fcb27fc0e22494e36c22b5d7880db19980de759883c98676cdcde6c17dd63761d852f66008956a8ed2ef0e96f6e1210592cdf4875d871dd370fe9dbc4193b8f
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV7Cj99999999999a:UVqoCl/YgjxEufVU0TbTyDDaltCM
- TLSH T1E3D32913BE10506EEC118AF12C95CE6DBA611E2A1FD1BE473352BB6079B224375F521F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\svchost.exe
- Size 135KB
- SHA256 fa268f75c6ae7b128850bee79e4a4fb2ea1b8e85d9aa803604124420db5f3b74
- MD5 004c2441bb9a4860bb4d5a81e5bc8966
- SHA1 89601bd1b7241b7488ede4b8d84a5a84e50d99b8
- SHA512 a5b0962b3e1bd7a65a3113b029e39b2a01aea9a1991c81225855e76ced7f27376f5234e9d4108c72dda7107eefd467680e6a628cbd1d7d55c41c4fc4281df2d8
- SSDEEP 3072:UVqoCl/YgjxEufVU0TbTyDDaltCe6v6v6v6v6v6v6v6v6v6v6v6v6v6v6v6v6v62:UsLqdufVUNDaX8
- TLSH T1F6D3F933BF50507EE91185F1ACA1D76EB9225E760FE4AD4736667B0029B1243B6F021F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\windows\resources\spoolsv.exe
- Size 135KB
- SHA256 9549a501a0fe8b1ce67d343d48008f3670ac1ca7aa9ce177527aef8f6bfe186f
- MD5 8353e2a54692c4b0b79aed782def65d8
- SHA1 68980668a20440d180226a144b9a687ecb3824c1
- SHA512 6bcdbabd6040965e1e2b02806186aee6072d59830102e26b944efd913b09494e05f7ae275491cf65bc26483fee5725d0f101ee5a69576ab16ca7f8e385b14f31
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV7Cn:UVqoCl/YgjxEufVU0TbTyDDaltCn
- TLSH T117D31A23BF10542ED86285F168A5DA39B9161E360BE8AD4B33A6B7017D7230376F171F
- MD5 SHA1 SHA512 SSDEEP TLSH