Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/07/2026, 04:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe
Resource
win11ltsc2024-20260629-en
10 signatures
150 seconds
General
- Target 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe
- Size 92KB
- Sample260704-eqel6aay2x
- SHA256 42d4c5a0f1fc5484317f2acb88f057bbeffc2aab8c2a03cdf14de933f138ffd6
- MD5 99a17d876e01f0f7760b5480cb89f077
- SHA1 ebc3c22164f4d650b978ad3ca7682cb0696e53ad
- SHA512 21f92b34d6b3ed34f5042980ed20a00b693ff5fd6d2dd5401e370f624b3057d0957df508ca572a81e0ebcd064de5982ed3d0c9c87d97c31274e13f52b48e6cc8
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLt45QNsCyH:zGoSK8eQcLt45QNsCyH
- TLSH T1E3934BAF75968CF9F4101EB414661BF287376560033A8BCB3B90DE656B3E1675E38283
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5328 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\" %*" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_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 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\¢«.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe File created C:\Windows\system\rundll32.exe 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_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 2026-07-04_99a17d876e01f0f7760b5480cb89f077_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 rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1783138113" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1783138113" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5328 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 5328 rundll32.exe 5328 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4748 wrote to memory of 5328 4748 2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-04_99a17d876e01f0f7760b5480cb89f077_elex_glassworm_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-04_99a17d876e01f0f7760b5480cb89f077_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:4748 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:5328
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 85KB
- SHA256 5361478d4f1acb59ca294ac89ad6e453d5d32070100f83487ca96292c1a75e44
- MD5 0b03cc8e092c01c01e53862b24013821
- SHA1 8289c639928533cc12c3af0add31ee685b9419b0
- SHA512 7e8063edeae239dca111b66355dfcd36d7df1803b5d52f01900488c587b3739fabfaea684a0bc7a5025dab6064ac7c67b064ff328cbc15235d49ef1809a4437c
- SSDEEP 768:JgUkmKY2i/0BQZfMEQRKIbaauqnDnb49vhye+1iUSc76JZgyldX7aXKynF0vQcY7:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLav
- TLSH T1CA836D9F75D588FDF81029B0146A57B1863BA950133A9FCF3B90CD39853B1AB5E38287
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 86KB
- SHA256 6eec1d0718e316aa4677f6b8b35380193aa3c69596c9b0e209b034f44fee997f
- MD5 7da6e5d98e17c97a33488373b120f987
- SHA1 ede9e64991b3e0354e4e2e618994004611f0eb77
- SHA512 0eee3ec432765096c87456d7bb423a32d02b1f6e8fb8a2e5332212a9b018446efad967e4eaf56ff08781ab51eaf59944835298551284272b88d4956cb30b5efb
- SSDEEP 1536:qkOvQZfMpRKIcqDnYhye0SKBi2eQcLIY:zGoSK8eQcLIY
- TLSH T1A2835C9F75D588FDF41029B0146A17B1873BA950133A5BCF3B90CE29993F1A75E38287
- MD5 SHA1 SHA512 SSDEEP TLSH