Analysis
- max time kernel
149s - max time network
123s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
20/04/2026, 22:31
General
- Target opszx.scr.exe
- Size 727KB
- Sample260420-2fd9zaex2k
- SHA256 481fe3840d515d4d19d6fb16143aa6845b9df798fe8d6c843297d34219cb14d0
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\opszx.scr.exe"C:\Users\Admin\AppData\Local\Temp\opszx.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\opszx.scr.exe"C:\Users\Admin\AppData\Local\Temp\opszx.scr.exe"2⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 1963⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1392 -ip 13921⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1392-8-0x0000000000770000-0x00000000007B3000-memory.dmp
memory/2392-0-0x0000000000F30000-0x0000000000FEC000-memory.dmp
memory/2392-1-0x00000000058F0000-0x0000000005968000-memory.dmp
memory/2392-2-0x00000000060A0000-0x0000000006646000-memory.dmp
memory/2392-3-0x0000000005AF0000-0x0000000005B82000-memory.dmp
memory/2392-4-0x0000000005AE0000-0x0000000005AF0000-memory.dmp
memory/2392-5-0x0000000005B90000-0x0000000005C2C000-memory.dmp
memory/2392-6-0x0000000005A20000-0x0000000005A28000-memory.dmp
memory/2392-11-0x0000000006650000-0x0000000006C52000-memory.dmp