Analysis
- max time kernel
149s - max time network
98s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 18:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe
- Size 94KB
- Sample260601-w2b4vaev8q
- SHA256 d748936ec5dc75049fe942034cdec7a8456cf631ffc694bea5ede60b5fe5bc00
- MD5 603f44d2335b04d557bc34a87b2ebe50
- SHA1 4f19bb44c6204f32952c81c9a05b32fe28e08b72
- SHA512 5756cf5b5d546721f4d0bf3c22f8f242f2bda0cb1ed105290304451986883f4dcff6daa3d6c75338af7242e88db1b482418d5452d6226095a18793b83ae8037e
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3auB:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuuB
- TLSH T15D93ACFCAA6B2894E9D57D70D0176B5CE5B87220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 1060 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 1060 wmcserv.exe 1068 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 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_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 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_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 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_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 1892 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe 1892 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe 1892 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe 1892 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe 1068 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1068 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1892 wrote to memory of 1060 1892 2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-01_603f44d2335b04d557bc34a87b2ebe50_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:1892 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-06-01_603f44d2335b04d557bc34a87b2ebe50_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1060
-
-
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:1068
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 94KB
- SHA256 4b02ba6e553513b135ecea5cb3ae10ddbabf44af3879f1f1324ea693ce48b931
- MD5 4a2ff5c19703b8b80888588aa53113b7
- SHA1 fe9585a905d8f2e9331d6b541ffaa010e1fefc8b
- SHA512 99c1fcfbe5055ce9dc9807de5c8acd03a64e42d0a70c14367aa23760c6945a3b4af8cf9640ba4609b69114b9790d3e970471c84093de748bda31432f0c3988df
- SSDEEP 1536:+z8erPJC9O8ziPaArrK6LOhKvgEVPiGmBgZgqGIL/plNgWjzRcBRMxjxT3aun:CPJN8zY9XXOcgqQyWqj7NgWj2B+pxuun
- TLSH T15B93ACFCAA6B2894E9D57D70D017AB5CE5B47220D4663C28EFB17AA10B3F770902DE05
- MD5 SHA1 SHA512 SSDEEP TLSH