Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-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-MXXGQNWFVL.tmp\s3browser-13-3-5.tmp"C:\Users\Admin\AppData\Local\Temp\is-MXXGQNWFVL.tmp\s3browser-13-3-5.tmp" /SL5="$400AA,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-J9XNOBJK0G.tmp\s3browser-cli.exe"C:\Users\Admin\AppData\Local\Temp\is-J9XNOBJK0G.tmp\s3browser-cli.exe" /license o C:\Users\Admin\AppData\Local\Temp\is-J9XNOBJK0G.tmp\Xf7eae1c5435f4405a0cea8cf7f79d0583⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
s3browser-cli.exe
s3browser-13-3-5.tmp
memory/1000-19-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp
memory/1000-18-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp
memory/1000-14-0x000001D8EE8E0000-0x000001D8EEAA0000-memory.dmp
memory/1000-13-0x00007FFE66FBF000-0x00007FFE66FC0000-memory.dmp
memory/1000-15-0x000001D8EEEF0000-0x000001D8EEF02000-memory.dmp
memory/1000-16-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp
memory/1000-17-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp
memory/1272-21-0x0000000000460000-0x0000000000556000-memory.dmp
memory/1272-0-0x0000000000460000-0x0000000000556000-memory.dmp
memory/5464-32-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-36-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-22-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-24-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-26-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-28-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-20-0x0000000001250000-0x0000000001251000-memory.dmp
memory/5464-30-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-34-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-6-0x0000000001250000-0x0000000001251000-memory.dmp
memory/5464-38-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-40-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-42-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-44-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-46-0x00000000008B0000-0x0000000000DC0000-memory.dmp
memory/5464-48-0x00000000008B0000-0x0000000000DC0000-memory.dmp