Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/07/2026, 18:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe
Resource
win11ltsc2024-20260630-en
10 signatures
150 seconds
General
- Target 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe
- Size 3.9MB
- Sample260706-wpwmqaaz2t
- SHA256 2274cbf5a27a93e642292069e98a4cc858081ff8c6db5b62de30582fd2cb8074
- MD5 73fefcfe6da7e1bb7b10520841ef558d
- SHA1 43ac32c694d594a196cfeb536d243e3e20645570
- SHA512 4f187e7790e9c9ab6d84bd76136e279cf00f309107362ac9036f3b3297c395cf10a2a76076d5b5accd376b7e08debc0c3e2ec04bb4b333377bab480fe50ad6b9
- SSDEEP 49152:tZvWZS83kyM/+mIrXk2fotLcZL4pHfxPp1Ezh+DHh1Tb7b5ucXN5PaYR3lXE1d1r:bOZ2yE+9zdc5JP3EgFdF1CvAAZ7
- TLSH T14A168D13F2D951D8C01AC179875A9232EA71BC464B3176DF0A90BB122FB6FE06B3E715
- 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-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe - Executes dropped EXE 6 IoCs
pid Process 5020 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 2232 icsys.icn.exe 1348 explorer.exe 816 spoolsv.exe 440 svchost.exe 784 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 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_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 - 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 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 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1348 explorer.exe 440 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 2232 icsys.icn.exe 2232 icsys.icn.exe 1348 explorer.exe 1348 explorer.exe 816 spoolsv.exe 816 spoolsv.exe 440 svchost.exe 440 svchost.exe 784 spoolsv.exe 784 spoolsv.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4552 wrote to memory of 2232 4552 2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe 84 PID 2232 wrote to memory of 1348 2232 icsys.icn.exe 85 PID 1348 wrote to memory of 816 1348 explorer.exe 86 PID 816 wrote to memory of 440 816 spoolsv.exe 87 PID 440 wrote to memory of 784 440 svchost.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_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:4552 -
\??\c:\users\admin\appdata\local\temp\2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exec:\users\admin\appdata\local\temp\2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe2⤵
- Executes dropped EXE
PID:5020
-
-
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:2232 -
\??\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:1348 -
\??\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:816 -
\??\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:440 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:784
-
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-07-06_73fefcfe6da7e1bb7b10520841ef558d_cobalt-strike_elex_icedid_njrat_swisyn.exe
- Size 3.8MB
- SHA256 2ac22af93f2c2b8488f26e00a477586e38c2186df2917d705d1f3a99b7b2b81b
- MD5 ad166537621b65c296cd20589c5a3842
- SHA1 9133f3cb670de9ff4f1a3e3eaa95b73ad0cdf3d4
- SHA512 20f4e0e5a4f05f6fb8d9b44d51225dd3383df3df430ad8f864883fdf754c27d2bd88ab8edf928444937608e05118b69cf4bc4c53d6c3bfc9c7cca3a1d27a068e
- SSDEEP 49152:YvWZS83kyM/+mIrXk2fotLcZL4pHfxPp1Ezh+DHh1Tb7b5ucXN5PaYR3lXE1d1fu:YOZ2yE+9zdc5JP3EgFdF1CvAAZ2
- TLSH T1A3068D13F2D951D8C01AC179875A9232EA71BC46473576DF0A90BB122FB6FE06B3E724
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 135KB
- SHA256 7501c31e80e729b4b7b50ca0cc8605a0c524c088636e3a66cfb457c21088fe09
- MD5 254a81f46f1d8c034ef8c79233c38da6
- SHA1 8de598ed356afbfcd6a5b661d48d1c37a3f553af
- SHA512 3038389d0288fbfc772c21f5d71ef2d941e22e9b87b9d803a28d60ea21ea769f623be3e231aff8c88b2e7c21c73b9bbd601897b6ab6fba3fb2c3fb1a0a32e819
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVqPc:UVqoCl/YgjxEufVU0TbTyDDal2c
- TLSH T17BD30B237E14552EDC12C4F168AAD66F7A316E370BD05C137297BB142BB2A43B6F421B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\Themes\icsys.icn.exe
- Size 135KB
- SHA256 62b19adfcfbc7f0592306ab401301c7caaf8aaaa0af7a53cd48a2e8a1fa0ac9d
- MD5 bd2970f68718b5dbed3ba3ef5a9df787
- SHA1 2e467e9c3f9a9a79b26490e423146cdf802f0775
- SHA512 719d0c4b0773b1bfede59f6d6db6e26036a26715cd61f85d5a7c1abdd7effef855a1d321ebb37f47413b75238a14100328d39348e7c3d7f5c311ce3af63ed2ef
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVqP3:UVqoCl/YgjxEufVU0TbTyDDal23
- TLSH T1E3D31A137E14503EE853CAF13899F66FB9224E266F91AD473692BB003972543B6F520F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\spoolsv.exe
- Size 135KB
- SHA256 172a23ea19d170d9b69636068dd9f58c56a3631416b316d6a28d85c65714a5ed
- MD5 c2acc876aadb93da326f32aca92b9c83
- SHA1 f054372958ce8bfd5a77222b4e9cbb5209d7e06c
- SHA512 12d7cd28450d31fe63ce955ccf94d63417a7ceaf0845e9ee521f05f955671c728d2d3de74156bf351bac73ef5aab6cec73888555838d4f0a17280a3953ecc408
- SSDEEP 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVqPp:UVqoCl/YgjxEufVU0TbTyDDal2p
- TLSH T163D30A236E40506FD912C6F56CE9EAADFB225E311BA56D172363BB1035BA24371F021F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Resources\svchost.exe
- Size 135KB
- SHA256 68d28336d31950cbbb9e7a770c09c1c2b9a4ce2ce67f7412b26ae40df682a3f5
- MD5 e39fc5dcc2f285eb764fa1bc4a79afbb
- SHA1 5b5a9324f372e708db15d761ab92c51df3d54269
- SHA512 1890016030bb6205a23e8e02fc4d593319b7a1f9998292248d05d9b0dc7d7cea7d142af1f0c6ee90c43eb1ea9e5cce2d3c9317336b27e9f8056bc88ba9bdaa2a
- SSDEEP 3072:UVqoCl/YgjxEufVU0TbTyDDal2Bssssssssssssssssssssssssssssssssssssc:UsLqdufVUNDaZ
- TLSH T1BED3E7277E10106BD952C8F168E5D63EBA252E790BB1ED073366BB0535B2543B9F220F
- MD5 SHA1 SHA512 SSDEEP TLSH