Analysis
- max time kernel
149s - 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
10/08/2026, 07:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe
- Size 94KB
- Sample260810-h9ps1sysfx
- SHA256 032246f1c93cc60b8ed7c3d41eee0c6ef44a3a1fb4796ccd8fa623957d3564a6
- MD5 71b3d690687c6f8641410c05e116f5c1
- SHA1 9dd60b7b423cd54358dc0fa5969f307a2cb0518a
- SHA512 61de78f65cfa3c57eb68f7488a5b40b7de4dfa531ca0112df1cecd750a39c61da10ebff61054c2d5c46f340f382f5cc161a39baa850f175bc7cb851debe0debf
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3aup:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuup
- TLSH T1FD93ACFCAA6B2894E9D17D70D0176B5CE5B47220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 2992 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 2992 wmcserv.exe 4472 wmcserv.exe - Checks for any installed AV software in registry 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Doctor Web\InstalledComponents wmcserv.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\KasperskyLab\SetupFolders 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-08-10_71b3d690687c6f8641410c05e116f5c1_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 2026-08-10_71b3d690687c6f8641410c05e116f5c1_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 3364 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe 3364 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe 3364 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe 3364 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe 4472 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4472 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3364 wrote to memory of 2992 3364 2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_71b3d690687c6f8641410c05e116f5c1_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:3364 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-08-10_71b3d690687c6f8641410c05e116f5c1_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2992
-
-
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:4472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 94KB
- SHA256 7cebceb33291c7460c5a0344257e27edea18bb46de8823246c3059ddbf948f66
- MD5 3baf64a5fb785371af126c30ae72ad3c
- SHA1 9f826dfc84e9d45f311edc93e78529b72c6b3f27
- SHA512 2c47cb76969fa47af7a13ae89c20813dd002512f4462256743a54c16ce2cad4b757cd6362ff8df33461412dc6c5a9b0a12743e602d7a51c30c40e51925e8063a
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3aud:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuud
- TLSH T10793ACFCAA6B2894E9D57D70D0176B5CE5B87220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH