Analysis
- max time kernel
149s - max time network
124s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
28/04/2026, 01:40
General
- Target 2026-04-28_728cd87397bc8d033d9b7b91e6cfa7e8_elex_wannacry.exe
- Size 48KB
- Sample260428-b3ldpact4w
- SHA256 3f34ef74ca28bd214a0b08e0311775a713c0a8200242fdf0a07e6a495f23b4dd
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
- Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-28_728cd87397bc8d033d9b7b91e6cfa7e8_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-28_728cd87397bc8d033d9b7b91e6cfa7e8_elex_wannacry.exe"1⤵
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 4842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4012 -ip 40121⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4012-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4012-1-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-2-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-3-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-5-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-13-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/4012-12-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-22-0x0000000000A30000-0x0000000000A45000-memory.dmp
memory/4012-26-0x0000000000400000-0x000000000040C000-memory.dmp