Analysis
- max time kernel
150s - max time network
112s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/07/2026, 10:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe
- Size 94KB
- Sample260715-l984fac151
- SHA256 a9512b3ec79d7ee647e0b139498bf1a7d86b2311db5dc1aa64faf6472f249df1
- MD5 4195c46aa9dff58780c63267aa912421
- SHA1 be4eb147efd426680def0140386025248025f706
- SHA512 cda94115fe2d8737abe4426681b71aa8364680a80857dda1b73e4cd77ab99e711acb8a7af4bd31df0a62b6389a3d050ef54b4c93716150da1401c202421b7bb3
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3auO:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuuO
- TLSH T17093ACFCAA6B2894E9D17D70D017AB5CE5B47220D4663C28EFB17AA10B3F771902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4700 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 4700 wmcserv.exe 1408 wmcserv.exe - Checks for any installed AV software in registry 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\KasperskyLab\SetupFolders 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Doctor Web\InstalledComponents wmcserv.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\wmcserv.exe 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.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 wmcserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmcserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3128 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe 3128 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe 3128 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe 3128 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe 1408 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1408 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3128 wrote to memory of 4700 3128 2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe"1⤵
- Checks for any installed AV software in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-07-15_4195c46aa9dff58780c63267aa912421_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4700
-
-
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\SysWOW64\wmcserv.exe -v1⤵
- Executes dropped EXE
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 94KB
- SHA256 a6f899a10279f298a88c910be650d1c75e7d7f90df367a4922d7595fb1b2d627
- MD5 b3644a8558598142b2c1df3561b5139d
- SHA1 4b3a511e0efa8d6e5378ece2ce2174dfac9d27b5
- SHA512 ceae46089fc89479b4551342598deadd81e6d1874e0a9ea55083ea0871cdd7075c0918e0cf8f13e7c08825e0dcc1237ace0690f7f1496ea3fa129d65386122fc
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3auJ:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuuJ
- TLSH T19893ACFCAA6B2894E9D17D70D017AB5CE5B47220D4663C28EFB17AA10B3F771902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH