Analysis
- max time kernel
148s - max time network
134s - 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, 01:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe
- Size 94KB
- Sample260820-bllm5axejc
- SHA256 4bc999a007066cccc2e4f3570de44f105f79b1512c5d74050dc7625ac33b2077
- MD5 31a4525c9f585d6077a0c9c558292537
- SHA1 6cb366ed6e8d55c2bce35dc4b29575508146cf6f
- SHA512 52e5979dddcd61e3ed1cb9b025f2316067ff99fa4472d8903198ec28351457d8e012df36f1559e3c2d357ed601084dc5d8bb9b8665b103e466f5f0b59a098958
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3auS:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuuS
- TLSH T1F393ACFCAA6B2894E9D17D70D017AB5CE5B47220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 3176 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 3176 wmcserv.exe 6080 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 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\wmcserv.exe 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-08-20_31a4525c9f585d6077a0c9c558292537_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_31a4525c9f585d6077a0c9c558292537_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 4972 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe 4972 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe 4972 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe 4972 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe 6080 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 6080 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4972 wrote to memory of 3176 4972 2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_31a4525c9f585d6077a0c9c558292537_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:4972 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-08-20_31a4525c9f585d6077a0c9c558292537_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3176
-
-
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:6080
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 94KB
- SHA256 dc266e5e7b06fb847dff24acc7cf19bde7fd982d35919aa6c8f2d1af7065b0ce
- MD5 f7dc8dd7c171a7dbd50b64ddcb375d6e
- SHA1 f348c3221ee38d731f86d02938b6c8d6a4491ee7
- SHA512 6e55e60a1d0ce6299df3b820de168fc451241a1f9a622177472746f1f22ba2eac6b3e5a81e1c30232b8f3827da328741c9b6f7d1aa8f532bb4ff7bf6e3a786ff
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3aux:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuux
- TLSH T12293ACFCAA6B2894E9D17D70D0176B5CE5B87220D4663C28EFB17AA10B3F770902CE05
- MD5 SHA1 SHA512 SSDEEP TLSH