Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 4692 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 created C:\Windows\SysWOW64\notepad¢¬.exe 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 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 - 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\Hostname rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 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 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\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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\MSipv 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¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 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\MainVer = "506" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1793016763" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1793016763" rundll32.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\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 - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4692 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 4692 rundll32.exe 4692 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4516 wrote to memory of 4692 4516 2026-10-25_cbf4f7a23e3fb10b0dce2840f9c52ed8_elex_glassworm_wannacry.exe 86
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:4516 -
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:4692
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 94KB
- SHA256 3af5fa256beda4ded22951e8ba5e996b9dff8edb20dd625c9e0ed81a8c4b249b
- MD5 496a12174e0d4473a9ac2bc0398f3059
- SHA1 fa0edf9c92d9cea729a041955edf2d6c5609ddf1
- SHA512 af95dd64761c106009a8994edc36e5312b002ad8cd680131b03bafab8eda5a8cb32c14e708c1fdb0c444f91af3a24ac65697b299555e2317a6d3ae44a0b31dd8
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLidqXhmhFxYhp:zGoSK8eQcLidqXhmhFxYhp
- TLSH T192933AAF76969CB8F4101EB415761BF287676560033A4BCF3780DE656B3E0676E38283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 86KB
- SHA256 c2f69b61c01e1b09f8d07866395bf4137d648bd8c49358ee9b0429d2df755a3d
- MD5 b0fbcf5384771d288ff88a1bd4dfc5b0
- SHA1 9d4e5a5fea76590049179543ec56bd4758590d0d
- SHA512 41142280880a5632a087c6d7364733543df898b8cc04e52dc47a9e98474ce8c9faa11606d96d4d481dccdb6ff083a2cf93775c6a2a900f3c63656b6539b22415
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLLJWV:zGoSK8eQcLLJWV
- TLSH T19A836C9F75D588FDF42029B0146A17B1867BA950133A9BCF3B90CE29943F1A75E38287
- MD5 SHA1 SHA512 SSDEEP TLSH