Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/08/2026, 17:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe
- Size 7.6MB
- Sample260818-v2bbwaxajd
- SHA256 34cb9e89ee40986c71b706334f68d1e932bdee6f1be69d29709b4551c209b6e8
- MD5 855790875ab7093d68a15115a5fcde1b
- SHA1 c2aa520ae5ad24c418a36d65f95bcf958de5108f
- SHA512 1e1865df1bf24ec71444ab1ade0b8d53d520df5d6f2cc7be20c2b05527e25d3c066e4a0c9429e5d5b8b74b44d44e01847760adb7ef93f3ac8ed0434ed4ff3ae3
- SSDEEP 196608:ApdSkCzYN5/PaCmLMuFnW9gPOiyi7kZoE7LkjYW:ACkCzYDPaVLVFnWBiIoE7LE
- TLSH T13C863399F8E515B1E3F0D77027280DAE82E2DC83DC0578596B986F9D8CB75070B6CB4A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2268 servbrow.exe 3332 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-08-18_855790875ab7093d68a15115a5fcde1b_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 2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language servbrow.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language servbrow.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeTcbPrivilege 2268 servbrow.exe Token: SeChangeNotifyPrivilege 2268 servbrow.exe Token: SeIncreaseQuotaPrivilege 2268 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 2268 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3828 2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe 2268 servbrow.exe 3332 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2268 wrote to memory of 3332 2268 servbrow.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_855790875ab7093d68a15115a5fcde1b_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3828
-
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Service1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3332
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 4189cf736c17fa891a594edae014584c48fbba823f54df45bb30d79e9cd02f80
- MD5 47c0513d50996dacd1e724b0fbc999ab
- SHA1 ae1c4e9b1554dea0e88162af476d1687e04fe949
- SHA512 f368f95b3ea503d8c843f22dcaa00a45188be14163c27e6088b83a118fab69561db1f053ab6953a3df27ee7d312ac8fcaea6d2428df3a853334415d97ee2767b
- SSDEEP 196608:73KzWlMEVxLfJLZk3Tl8rDMt2hXNJ7dQwjntHegVMDhmZeY8:bMEVHlk3sDa2hXq0MDR
- TLSH T1B386338356A4E857F90A02F143B72BDECF616D2B9B4475A28B05EFD582BB0045F11B3E
- MD5 SHA1 SHA512 SSDEEP TLSH