Analysis
- max time kernel
149s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/09/2026, 16:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
General
- Target 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe
- Size 93KB
- Sample260925-vcp4qs1epd
- SHA256 d6ea0e8057d0fd1fc709f3d289c9b38947fd91de0569306c461492021a196da8
- MD5 fc8b66cb1c042cad04a5cd381fba583b
- SHA1 e94b5d00eeea076fda20241206809dba3fd52a9f
- SHA512 6c812ef11c2f66666a8e7815afc07c0946b3b64bc527f63a1705724b9c5e4ec817ee4d6e704a3efc3211d31b13c54b178271ad534910bc5336b8f5d824c49c9d
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLJLhLoLALrL4xLcVOIhU5htlJtfE:zGoSK8eQcLJLhLoLALrL4xLcVOIhU5hs
- TLSH T1729329AF76969CF8F4101EB0146A1BB187676560033B4BCB3790DE295F3E1675E38287
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4004 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\¢«.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe File opened for modification C:\Windows\system\rundll32.exe 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_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 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_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\MSipv 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1790355057" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1790355057" 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\" %*" 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\exefile\shell\open\command 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4004 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 4004 rundll32.exe 4004 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1888 wrote to memory of 4004 1888 2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_elex_glassworm_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-25_fc8b66cb1c042cad04a5cd381fba583b_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:1888 -
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:4004
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 93KB
- SHA256 260fcf9eb4e608cc28d5d032e76c941c107510c77041eae9f08ce458912660c6
- MD5 ae6033a0b8c4d8fa0b6fb571d84206c1
- SHA1 0e2c73981b45ca7cca346af6f6ce9a255feb16a0
- SHA512 b97495b0c5eb46b6d4a7f58bb55224437ca43ebafd8e32cd3ed4e1bcfe2ba3ee07165bf6dcec72756c254a89e373a7d22e6447002cfc58cde081cafb44d5160c
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLDToU8CsTalo9:zGoSK8eQcLDToU8CsTalo9
- TLSH T120933AAF769A9CF8F4101EB0146A67B287276560073A4BCF3790DE256F3E1675E34283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 99KB
- SHA256 75b2eca05603540cc346d3499ecc953d264594f0e5800693dcfbb871545801c3
- MD5 676cf202654957037708aafe2d39b74f
- SHA1 3dce2d9b8761d0429996936fa99378607c5c9903
- SHA512 9fc42121da01c3ecd3d79cbe7459ba9e9d051df7f375f4364501db14c4ab2042ead620493f74031ce1e30f6f7caf53afee734ccac7afcf67b2136b0b55a7636b
- SSDEEP 768:JgUkmKY2i/0BQZfMEQRKIbaauqnDnb49vhye+1iUSc76JZgyldX7aXKynF0vQcY6:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLJv
- TLSH T142A329AB75965CB4F0141EB415761AF687276530073B8BCB3B90EE152F3E46B6E38283
- MD5 SHA1 SHA512 SSDEEP TLSH