Analysis
- max time kernel
150s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
23/08/2026, 10:09
General
- Target Firefox Installer_x64.exe
- Size 3.5MB
- Sample260823-l6ytasfq91
- SHA256 4780d29dc9f811aef81f8621f96e518b11e8bb375849b97046646c9b90c26c7a
Score
7/10
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\Firefox Installer_x64.exe"C:\Users\Admin\AppData\Local\Temp\Firefox Installer_x64.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9Q81I.tmp\Firefox Installer_x64.tmp"C:\Users\Admin\AppData\Local\Temp\is-9Q81I.tmp\Firefox Installer_x64.tmp" /SL5="$40182,2683088,872960,C:\Users\Admin\AppData\Local\Temp\Firefox Installer_x64.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Firefox Installer_x64.tmp
memory/2880-1-0x0000000000810000-0x00000000008F5000-memory.dmp
memory/2880-9-0x0000000000810000-0x00000000008F5000-memory.dmp
memory/4596-6-0x0000000003380000-0x0000000003381000-memory.dmp
memory/4596-8-0x0000000000700000-0x0000000000A72000-memory.dmp