Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 18:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe
- Size 79KB
- Sample260820-ws3v7sshme
- SHA256 1a0c958ae692074120b84310d78826e1d5cfba9dca79ba015d3a271ce8a8f726
- MD5 1d3da6b71351943dce8c33718990c821
- SHA1 2e0d18a7a73b15e225b0c3cc3722f3a2dfa4445a
- SHA512 b67cad8a5df60dfd69f62db173fdc8d09f8940920c0d17ff49cf339e58fd7512338f72e6fda8f68a58cf29c3e97ab05fc02f37f97f6847aecdef170ab57fe9f9
- SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1d4:vDNEJe67hdg10ilwfVcafh6R0Ra+8OI
- TLSH T10483CEF8665D0D32E7A1C13FC7BE5ADDFA91D084E130ACD66AB0DA7108702A7D01F21A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 2580 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 2580 wmcserv.exe 1228 wmcserv.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-08-20_1d3da6b71351943dce8c33718990c821_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 2026-08-20_1d3da6b71351943dce8c33718990c821_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 5936 2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe 5936 2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe 1228 wmcserv.exe 1228 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1228 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5936 wrote to memory of 2580 5936 2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5936 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-08-20_1d3da6b71351943dce8c33718990c821_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2580
-
-
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:1228
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 79KB
- SHA256 5ac10e20c80abee7917c648236842577d7205637908cfdd6bbd13acb03c56401
- MD5 95593202322ffa2d143e8ce1fb517dea
- SHA1 a5a69dac48d4869bcf3914b63d90581b380996ea
- SHA512 bfb48e87745da995c1c681c159f5e8bc10b5f58b226c0845cfd6a574da380587dcd2afc1da256a1a82f19074b68f30508ad169252c23392d9522f9b9ae1cc311
- SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1e:vDNEJe67hdg10ilwfVcafh6R0Ra+8OU
- TLSH T1F183CEF8665D0D32E7A1C13FC7BE5ADDFA91D084E130ACD66AB0DA7118712A7D01F21A
- MD5 SHA1 SHA512 SSDEEP TLSH