Analysis
- max time kernel
149s - max time network
160s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
17/05/2026, 23:26
General
- Target UCWin_V1.1.0.21_window_pf5003_(Build202604231839).exe
- Size 212.8MB
- Sample260517-3fbphsdw4s
- SHA256 ef551c3a0bb31c72a797e9d7acc1a01568a9d09cf9f07728fb82ed54fe7f3fe5
Score
4/10
Malware Config
Signatures
- Executes dropped EXE 1 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.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\UCWin_V1.1.0.21_window_pf5003_(Build202604231839).exe"C:\Users\Admin\AppData\Local\Temp\UCWin_V1.1.0.21_window_pf5003_(Build202604231839).exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J3T8B.tmp\UCWin_V1.1.0.21_window_pf5003_(Build202604231839).tmp"C:\Users\Admin\AppData\Local\Temp\is-J3T8B.tmp\UCWin_V1.1.0.21_window_pf5003_(Build202604231839).tmp" /SL5="$40232,222219239,949760,C:\Users\Admin\AppData\Local\Temp\UCWin_V1.1.0.21_window_pf5003_(Build202604231839).exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
UCWin_V1.1.0.21_window_pf5003_(Build202604231839).tmp
memory/2412-5-0x00000000025E0000-0x00000000025E1000-memory.dmp
memory/2412-8-0x00000000025E0000-0x00000000025E1000-memory.dmp
memory/2412-7-0x0000000000400000-0x000000000072F000-memory.dmp
memory/4028-0-0x0000000000400000-0x00000000004F5000-memory.dmp
memory/4028-6-0x0000000000400000-0x00000000004F5000-memory.dmp