Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 10:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
General
- Target 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe
- Size 610KB
- Sample261027-mgr5wszz3m
- SHA256 341285b943f7c6fdd7fa4c472abd8cf91fcb486e6699e9a4da527e937cd876c4
- MD5 a16508f1fecd0e7fefc22c173ebd77e8
- SHA1 c97eeb9ee5f5c66071578d7227558801d7a5d860
- SHA512 ca62b60f1c80e0acb920ff41f5a68aec12847f5deeb9db677ed382103cd5f79c5b1d020d62b5ee73d75ccadff26539318bb6467fd693998f2fd6b35e81088f95
- SSDEEP 6144:dxEqOEYeH0rXcNdKSx4xoxsxe69xPxs9IjCS5:X6FXOs8QnJl
- TLSH T13DD431DEB9D64596E093DBB0236F91B0D4376CB68B405AA7D34BEC5311ACD5C20CB2E2
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2776 wnstscc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\WNSA = "C:\\Windows\\system32\\wnstscc.exe" 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\wnstscc.exe 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\PurityScan\PuritySCAN.exe 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_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\Hostname wnstscc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain wnstscc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.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 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wnstscc.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Main 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe Set value (int) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1" 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 2776 wnstscc.exe 2776 wnstscc.exe 2776 wnstscc.exe 2776 wnstscc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 2776 wnstscc.exe 2776 wnstscc.exe 2776 wnstscc.exe 2776 wnstscc.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4472 wrote to memory of 2776 4472 2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-26_a16508f1fecd0e7fefc22c173ebd77e8_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
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\wnstscc.exe"C:\Windows\system32\wnstscc.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:2776
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\PurityScan\PuritySCAN.exe
- Size 627KB
- SHA256 1fcb7bd3c62213e1fe6ac5fbd8e3f24863154237aab9598b68aec364d81e7c0f
- MD5 253e609e660e3fdaf86b8eb0e0d2758d
- SHA1 d8ca39c88b396ee9e61669d4b599a28f92eb5894
- SHA512 ac5d2fb2cbfdcd2e46db227fdc95a72ae0edad7c3e2de46993a6279b1f4ff8d7814d2e1864e99ebf37748937c136a4d6f58ea6c6e39c9f21b5ea37cbfbf0ad9f
- SSDEEP 6144:dxEqOEYeH0rXcNdKSx4xoxsxe69xPxs9IjCSO9:X6FXOs8QnJO
- TLSH T1F1D420DEB9D64596E093DBB0236F91B0D4376CB68B405AA7D34BDC5311ACD9C20CB2E2
- MD5 SHA1 SHA512 SSDEEP TLSH