Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
23/07/2026, 12:23
General
- Target s3browser-13-3-5.exe
- Size 6.1MB
- Sample260723-pktt1acl21
- SHA256 a67930d6e7c73d6f7ec50a65a848a96b7024331421af7ded33a83fc6a5f5f197
Malware Config
Signatures
- Executes dropped EXE 2 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\s3browser-13-3-5.exe"C:\Users\Admin\AppData\Local\Temp\s3browser-13-3-5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-YDHVJ2CG3F.tmp\s3browser-13-3-5.tmp"C:\Users\Admin\AppData\Local\Temp\is-YDHVJ2CG3F.tmp\s3browser-13-3-5.tmp" /SL5="$602E8,4675545,950272,C:\Users\Admin\AppData\Local\Temp\s3browser-13-3-5.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-2691LFXU9Q.tmp\s3browser-cli.exe"C:\Users\Admin\AppData\Local\Temp\is-2691LFXU9Q.tmp\s3browser-cli.exe" /license o C:\Users\Admin\AppData\Local\Temp\is-2691LFXU9Q.tmp\Xf7eae1c5435f4405a0cea8cf7f79d0583⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
s3browser-cli.exe
s3browser-13-3-5.tmp
memory/8-16-0x0000000000D90000-0x0000000000E86000-memory.dmp
memory/8-0-0x0000000000D90000-0x0000000000E86000-memory.dmp
memory/1156-29-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-25-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-43-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-15-0x0000000003070000-0x0000000003071000-memory.dmp
memory/1156-41-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-17-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-19-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-21-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-23-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-39-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-27-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-5-0x0000000003070000-0x0000000003071000-memory.dmp
memory/1156-31-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-33-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-35-0x0000000000440000-0x0000000000950000-memory.dmp
memory/1156-37-0x0000000000440000-0x0000000000950000-memory.dmp
memory/4148-12-0x0000016577C20000-0x0000016577C30000-memory.dmp
memory/4148-11-0x00000165754C0000-0x0000016575680000-memory.dmp
memory/4148-13-0x0000016575A10000-0x0000016575A22000-memory.dmp