Analysis
- max time kernel
149s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 04:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe
- Size 1.0MB
- Sample260819-e1gt9swgja
- SHA256 2794ec6a6b62c7ab02b8fbaea853b5c39a2f0821ff9aadd8a6e84e0612032473
- MD5 c79091b46f7b1afbd4813c80aca5745d
- SHA1 3aaf5aae4526e58cf14465a6af83379d31f2297d
- SHA512 d8022218ebd6c3e33e1bb92a6ee9251e07160b065d1ead2add00c5902d2251b4fc3c4284f1412e8477b8a15bd93cb9436468c598dd66d488c17dd7fe66765a33
- SSDEEP 24576:OOs/HDQ7VjaXRqgw1333VJhSNBeS+evv0o:OO6Q7VjaXR9W333VSNBeS+evv0o
- TLSH T164351821EAD4B137F0D221FD86BA0674F8A5B862677104C7D6C12F1F5AB68A3D131B39
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\lsass.exe lsass.exe File created C:\Windows\SysWOW64\drivers\lsass.exe 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe - Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cmd.pif lsass.exe - Executes dropped EXE 2 IoCs
pid Process 3996 lsass.exe 4380 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.~tmp - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: lsass.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 lsass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.~tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4584 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe 4584 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe 3996 lsass.exe 3996 lsass.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4584 wrote to memory of 3996 4584 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe 88 PID 4584 wrote to memory of 4380 4584 2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.exe"1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\SysWOW64\drivers\lsass.exe"C:\Windows\system32\drivers\lsass.exe"2⤵
- Drops file in Drivers directory
- Creates a file in the Startup directory
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3996
-
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.~tmp"C:\Users\Admin\AppData\Local\Temp\2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.~tmp"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4380
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-08-19_c79091b46f7b1afbd4813c80aca5745d_elex_remcos_smoke-loader_strictor_wannacry.~tmp
- Size 997KB
- SHA256 35c5e1a4c86d46cc07db0d7cd9cd9d93705564e9fab0c7e7e15fa1095ed17480
- MD5 94e9dd6348e9fa6cea21f8f968224044
- SHA1 9d9af6e94440d3a1406b72ee9b2c2072639504aa
- SHA512 3dc6f6d9e839eb09f82e7efca6c4368cde7df2237ec88097621e4068363cf99400e024265b9719b753d3b9ed3b3583e57541dc23579ee59c9dcadd5978dbff01
- SSDEEP 24576:3Os/HDQ7VjaXRqgw1333VJhSNBeS+evv0oB:3O6Q7VjaXR9W333VSNBeS+evv0oB
- TLSH T1F6251820E6D4B137E0D221FD86BA1574F8E5B862677104C7D6C12F1F5AB68A3E131B3A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\Drivers\lsass.exe
- Size 32KB
- SHA256 c497ea69e53cfffbc4fe5fb47210eaa33ea0af661076449825e7d520942817a5
- MD5 e281b96b27ef494ed21823a91d9e221f
- SHA1 bcf847a5b4de51140849a557afa3104a8e339596
- SHA512 78d4608e2f1418766ea7c3230d48998db670be31793a9331fc5a764f0d7b6dd8eb60ea7700379aeb1720f03b2342d72987d189c0d802feef060198b1c055b903
- SSDEEP 384:3brYXRlCzLvoxt1VdwBZsKXMbeC5BnKLWQRF0425UD:3bgjVt17wBaKXMSmRQRC48U
- TLSH T151E2190BBD978E82F518C970871B8BB9D2B316663E6D08CB47802D5E2D375418DAD71C
- MD5 SHA1 SHA512 SSDEEP TLSH