Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 07:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe
- Size 94KB
- Sample260730-jsnp3afj8y
- SHA256 820374fb9c16882cf654ab440cd484cd9b799b62e86ad31bb1c37693c6a396c9
- MD5 33d4df3aa9b35881fe9e7c238d4c7f63
- SHA1 b4a0c1fce593031ce02573676d6ce771d4e31fe9
- SHA512 33c68a55b6736f07646b3af0a8dd204f9c81e28e12781a439cafeb71baf2df8eb985a6cc34dd198dd7e45f102b90fae0a144f1cf5a4a90926ea55b30c2f7f7ca
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3aur:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuur
- TLSH T1AC93ACFCAA6B2895E9D17D70D0176B5CE5B47220D4663C28EFB17AA10B3F770902CE05
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4536 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 4536 wmcserv.exe 1992 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 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_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 opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_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 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmcserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmcserv.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4416 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe 4416 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe 4416 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe 4416 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe 1992 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1992 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4416 wrote to memory of 4536 4416 2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_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:4416 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-07-30_33d4df3aa9b35881fe9e7c238d4c7f63_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4536
-
-
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:1992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 94KB
- SHA256 312030a856c23405c80a894cd8039754dfdbc0181b163540c7a6de5257b065d0
- MD5 359fc129fad8a6a9cfc88203cab10a8e
- SHA1 fe144b2cee0c01a1ff0f8df0c00f1bc9fbff62b2
- SHA512 2d2f7c918698dd5c0455a21b8d3108b40e7062061a051500cb496dd8c25b07332ee9fc189386c201640057c371f364fc50cf32f81eae426782530401cddb2fe2
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3au8:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuu8
- TLSH T1B193ACFCAA6B2895E9D17D70D0176B5CE5B87220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH