Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 22:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe
- Size 79KB
- Sample260814-16r33san21
- SHA256 640d6dd6e56f580a73cd24ab9455f4f81125f959d348d4b83d297ff3e827502a
- MD5 17995327e673a3cb805c601b9ce8a9eb
- SHA1 4ed6a901d381041ebdbbe2a46fa814eb8a5516b6
- SHA512 3250515e1dde2a531e1bb16a9d38608d48e0f38eb7bad63a8d9ea62fd6a8b25117ec34235a0e8e2c8fe844419edb79702b99a49c9a6b799ecc48af72c4b04f00
- SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1G:vDNEJe67hdg10ilwfVcafh6R0Ra+8OQ
- TLSH T14D83CFF8665D0D32E7A1C13FC7BE5ADDFA91D085E130ACD66AB0DA7108712A7D01F21A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4116 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 4116 wmcserv.exe 1204 wmcserv.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_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 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_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 4 IoCs
pid Process 3908 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe 3908 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe 1204 wmcserv.exe 1204 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1204 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3908 wrote to memory of 4116 3908 2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-08-14_17995327e673a3cb805c601b9ce8a9eb_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4116
-
-
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\SysWOW64\wmcserv.exe -v1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 79KB
- SHA256 1789e8b80b2ae8e89f8f9dfe9532b0018ea28b9a2421ca95f422d55665f06929
- MD5 e1a609b0f848cf996fa659742dde422e
- SHA1 30a7f000327085b960401289a36c363c81281592
- SHA512 f8c281e03354ab751339d72f21a3862a9b5348a24b4ed751f5fe0a036a9f21d372ec0e904eed36f60a94cdd547190745b5bbfdad47dddd8e19887d1c906efb6e
- SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1x:vDNEJe67hdg10ilwfVcafh6R0Ra+8On
- TLSH T12D83CEF8665D0D32E7A1C13FC7BE5ADDFA91D085E130ACD66AB0DA7108712A7D01F21A
- MD5 SHA1 SHA512 SSDEEP TLSH