Analysis
- max time kernel
150s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/10/2026, 22:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
10 signatures
150 seconds
General
- Target 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe
- Size 619KB
- Sample261022-2c5mrays5p
- SHA256 91079286c4f7602a13959f2c4c539d3660a7a8d15431f28556662adee22bc7f2
- MD5 6da601e5e5c77b721a157968e91bc05c
- SHA1 f7d2c7a6a83537c5d8f7d39d0a912813d3ee19c2
- SHA512 31f67cc360b928ebe5aca28f195c1f99de9a7cb1964d32a7f5511593caf3193021acf45567b4696c32daff6e1ecab0b2cfdb57a62b8087aefcc5862bf86cf37f
- SSDEEP 6144:dxEqOEYeH0rXcNdKSx4xoxsxe69xPxs9IjX:X6FXOs8QnJh
- TLSH T179D420DEB9D64596E093DBB0236F91B094376CB68B405AA7D34BDC5311ACD9C20CB3E2
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5272 wnstssv.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\WNSA = "C:\\Windows\\system32\\wnstssv.exe" 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\wnstssv.exe 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\PurityScan\PuritySCAN.exe 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain wnstssv.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname wnstssv.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wnstssv.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 5272 wnstssv.exe 5272 wnstssv.exe 5272 wnstssv.exe 5272 wnstssv.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 5272 wnstssv.exe 5272 wnstssv.exe 5272 wnstssv.exe 5272 wnstssv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1604 wrote to memory of 5272 1604 2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_6da601e5e5c77b721a157968e91bc05c_elex_wannacry.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\SysWOW64\wnstssv.exe"C:\Windows\system32\wnstssv.exe" /no_ads2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5272
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\PurityScan\PuritySCAN.exe
- Size 628KB
- SHA256 7c6f8d6a5d64d515a46c65768f55d88232e1342c3822a1a0e2040030faa9bdc4
- MD5 17c90469577f726ba34722b24b27cfd2
- SHA1 3defbe84a4eee2b0ebf34423c9b60943f81d4b3f
- SHA512 769fdb0cbcd44d518f35109ef4f44d511fb65d522fea6f7917e50b24507c9363f686a73a2bc0f0915a7a24394fe76bb4504c17f0c61b890579379ac6f89301bc
- SSDEEP 6144:dxEqOEYeH0rXcNdKSx4xoxsxe69xPxs9Ijw:X6FXOs8QnJe
- TLSH T195D420DEB9D64596E093DBB0236F91B094376CB68B405AA7D34BDC5311ACD9C20CB3E2
- MD5 SHA1 SHA512 SSDEEP TLSH