Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 12:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
General
- Target 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe
- Size 93KB
- Sample261026-pdgwvsba82
- SHA256 86091ae7e6cec847248a6aeaf10b76d8420bf60358b954e1ffc3ff64e1979315
- MD5 cbf4f7a23e3fb10b0dce2840f9c52ed8
- SHA1 c1fd586d57fb7a28f7c78c8b670f927c56853cd3
- SHA512 8d31ef38b2a64d313e75b4edab28a543ec764ee9524ef900a0b904cf429d476e2f5e243c9ff9fea123223d176f5437e0e335c17bb4d28899886e4ac79a450449
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLJw3qaa16t:zGoSK8eQcLJw3qaa16t
- TLSH T1B1934BAF76959CF9F4001EB4006A2BB287675560073A8BCB3B80DE255F3F4675E38293
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4876 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\¢«.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe File created C:\Windows\system\rundll32.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname rundll32.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 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1793016762" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1793016762" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4876 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4876 rundll32.exe 4876 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 880 wrote to memory of 4876 880 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4876
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 97KB
- SHA256 e2d2939f8c500ac9e8d90d8a888f7505f72cefe84787456e18a1db2699c80e41
- MD5 97ddc5bd6ef45b30a3dfba0fc969342a
- SHA1 2dd5d7765f024dade426e7057133d8bb7320a322
- SHA512 8e1aa3edd8aaa6bbe278454f5272d1d1a9d6242d15d224753f439d0cc5d54cb38099f8e187cd7014ef781c7d51301104158b0bc236d67532af338c1106258831
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLhgFS2CCFzRsuFKeK:zGoSK8eQcLhgFS2CCFzRsuFKeK
- TLSH T114A33AAF76999CF8F4141EB010666AB287676530073B4BCB3780DE556F3E1676E38283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 84KB
- SHA256 42801f8503c82352cbd55bea9882b013a96b4e04c7d7c55d091e088af912bc4b
- MD5 b64affbfdcee825c7be3aedb2e6baff9
- SHA1 84c1cd728d195cb9d25c3bdc1bbf6fd768cb1f16
- SHA512 3690828b4b9b414f660ff3955f16a21040f9866c7018b48f7e154c7eac510fa6d7209146bb023fcd97ec5579e3d46e6ef2bfbc1c5109549dddcabbea52e7341c
- SSDEEP 768:JgUkmKY2i/0BQZfMEQRKIbaauqnDnb49vhye+1iUSc76JZgyldX7aXKynF0vQcYm:qkOvQZfMpRKIcqDnYhye0SKBi2eQcL/
- TLSH T135836D9F75D584FDF81025B0146B57B0857BA990137AAFCB3B90CD39843B1AB5A382C7
- MD5 SHA1 SHA512 SSDEEP TLSH