Analysis Overview
SHA256
590df9d725bd0779f6b4ad03e59c3be6c1b6682c8871eaaf44707fdc6688a5de
Threat Level: Known bad
The file ezz.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Checks computer location settings
Executes dropped EXE
Drops desktop.ini file(s)
Drops file in System32 directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-15 20:13
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-15 20:13
Reported
2025-01-15 20:29
Platform
win10ltsc2021-20250113-en
Max time kernel
440s
Max time network
441s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3454535599-122122096-1812617400-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\WindowsInput.InstallLog | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ezz.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3596 wrote to memory of 4516 | N/A | C:\Users\Admin\AppData\Local\Temp\ezz.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 3596 wrote to memory of 4516 | N/A | C:\Users\Admin\AppData\Local\Temp\ezz.exe | C:\Windows\SysWOW64\WindowsInput.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ezz.exe
"C:\Users\Admin\AppData\Local\Temp\ezz.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/3596-0-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/3596-1-0x00000000751E0000-0x0000000075791000-memory.dmp
memory/3596-2-0x00000000751E0000-0x0000000075791000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.exe
| MD5 | e854a4636afc652b320e12e50ba4080e |
| SHA1 | 8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc |
| SHA256 | 94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5 |
| SHA512 | 30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118 |
memory/4516-19-0x00007FFE01C25000-0x00007FFE01C26000-memory.dmp
memory/4516-21-0x000000001B7B0000-0x000000001B7D0000-memory.dmp
memory/4516-20-0x00000000011A0000-0x00000000011B8000-memory.dmp
memory/4516-22-0x00007FFE01970000-0x00007FFE02311000-memory.dmp
memory/4516-23-0x00007FFE01970000-0x00007FFE02311000-memory.dmp
memory/4516-26-0x000000001B9D0000-0x000000001B9F4000-memory.dmp
memory/4516-34-0x000000001C430000-0x000000001C8FE000-memory.dmp
memory/4516-35-0x000000001C9A0000-0x000000001CA3C000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.InstallLog
| MD5 | c2291863df7c2d3038ce3c22fa276506 |
| SHA1 | 7b7d2bc07a6c35523807342c747c9b6a19f3184e |
| SHA256 | 14504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da |
| SHA512 | 00bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa |
memory/4516-52-0x00007FFE01970000-0x00007FFE02311000-memory.dmp
memory/3596-53-0x00000000751E0000-0x0000000075791000-memory.dmp
memory/3596-54-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/3596-56-0x00000000751E0000-0x0000000075791000-memory.dmp