Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 02:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe
- Size 7.6MB
- Sample260808-dd2qgsyend
- SHA256 a996cce2645dae9ac95cf980d9c702939fc1c8a3d987af7294018c777b919ab3
- MD5 b2fe1750f3c3b3266394f57daf6b1b87
- SHA1 05224125d576152d91c38e316bcc5b3fa8bda5fe
- SHA512 db33d5ffb29cc7318baeff52e5b07b72fd45475c2c56067e828026bc33d0f713c3fcfdcfd3072b00913084400158b5a88abd8ab76e737c1707936fb36f946c4a
- SSDEEP 196608:3LVSZZGDGp38ZwSbGbRjmpGkimF2MJtmMSmm6K2fDlA/YeVIi:oGDGp38K3bNmp7pnxK2fDlURVI
- TLSH T11086334B7A001DBFC6FEE6306909E3BAA47542D98B551E52832D9ED7C0BE5173F084A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4272 servbrow.exe 4140 servbrow.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe File created C:\Program Files\7-Zip\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe File opened for modification C:\Program Files\7-Zip\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe File created C:\Program Files\VideoLAN\VLC\Ws2Help.dll 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_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 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_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 4272 servbrow.exe Token: SeChangeNotifyPrivilege 4272 servbrow.exe Token: SeIncreaseQuotaPrivilege 4272 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 4272 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1860 2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe 4272 servbrow.exe 4140 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4272 wrote to memory of 4140 4272 servbrow.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_b2fe1750f3c3b3266394f57daf6b1b87_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1860
-
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:4272 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4140
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\Mozilla Maintenance Service\Ws2Help.dll
- Size 7.6MB
- SHA256 5e26bdee9884aa0903a56849b77ff051cc484ae9bbcbd9a96c4fe34190633d63
- MD5 4cb1cbe733ccddd190872735d96deb40
- SHA1 c8170e6705781ddf7383129b16bbc66f75cb2af9
- SHA512 cbcea041b50694031b2e86198cc6aa2cf99fe1bfd38545e762804827f26232b6846271bce6ea11b80675b8fe7961bf69b742bb4b35ba5771f0914fd51ad73621
- SSDEEP 196608:KmLi46/VfiXOrQt5FWYLZE6KkI+h/+Z/y7rKzBRcUTEwWXg:K2iR/VTUSHkI+hk/yHcVTE
- TLSH T11F86332FE819114FE4A887B06371FEA4AB84F3716CB6E59E0D332B41B174164E5278DB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 0d51e1c32b96afd52cd742771708d88ca01832c87bab15c4ef3a71e19e42be02
- MD5 3f08ecbc18c92592790247f122dfb0d3
- SHA1 ab36e01ad91647db58052d2ceda87704f13c0cdf
- SHA512 30bf9e2465542ac9ec4631c9177f2d66c762fddf88fc7726278636fc38df37421349d39d2524f6094d183852f0b2f8643c0833a3dee3508cc434b2096c8fa43b
- SSDEEP 196608:zwR85HhzZbHOx1CB7jsCoyB+9Ucp3zAUEll:zFZZbH61u7jsCxB+9n+lj
- TLSH T14086336709FBC2FBC666EA3719F93EF6FCB4C5C44909500B4B645ED8250BE266DB0026
- MD5 SHA1 SHA512 SSDEEP TLSH