Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 03:36
General
- Target 2026-04-21_4dca37de2be36a5409344b1d98327ec9_elex_glassworm_wannacry.exe
- Size 86KB
- Sample260421-d6efnahs5p
- SHA256 0d8f998f0fb43f322a4b24884b1cca748cfc24eda8517211e5555f14741a552e
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Modifies system executable filetype association 2 TTPs 5 IoCs
- Drops file in System32 directory 4 IoCs
- Drops file in Windows directory 2 IoCs
- 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.
- Modifies registry class 15 IoCs
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_4dca37de2be36a5409344b1d98327ec9_elex_glassworm_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_4dca37de2be36a5409344b1d98327ec9_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
-
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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
notepad¢¬.exe
rundll32.exe
memory/4724-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4724-14-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4724-15-0x0000000000BE0000-0x0000000000C05000-memory.dmp
memory/4724-16-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5040-13-0x000000000040B000-0x000000000040C000-memory.dmp
memory/5040-17-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5040-18-0x00000000004F0000-0x0000000000515000-memory.dmp