Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
31/05/2026, 01:34
General
- Target 2026-05-31_3e831402720a282745506fe5fe043dd0_elex_wannacry.exe
- Size 44KB
- Sample260531-bza4jsf13x
- SHA256 2be7d8bb02fab8473c03c310343c6058e36619d4553487499f60a93be980b5d4
Malware Config
Signatures
- UPX dump on OEP (original entry point) 5 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-31_3e831402720a282745506fe5fe043dd0_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-31_3e831402720a282745506fe5fe043dd0_elex_wannacry.exe"1⤵
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2948-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2948-2-0x00000000009B0000-0x00000000009C4000-memory.dmp
memory/2948-1-0x00000000009B0000-0x00000000009C4000-memory.dmp
memory/2948-3-0x00000000009B0000-0x00000000009C4000-memory.dmp
memory/2948-5-0x00000000009D0000-0x00000000009D1000-memory.dmp
memory/2948-6-0x00000000009B0000-0x00000000009C4000-memory.dmp
memory/2948-21-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2948-23-0x00000000009B0000-0x00000000009C4000-memory.dmp