Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 12:09
General
- Target Talx-Setup.exe
- Size 4.5MB
- Sample261107-pbqe8aeg64
- SHA256 d05848a70f060afcc692a5572baec7d7663efa0fd3072cd4d323855540a587b4
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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. 3 IoCs
Inno Setup installer
- Kills process with taskkill 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Talx-Setup.exe"C:\Users\Admin\AppData\Local\Temp\Talx-Setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-B4W6QB9MHT.tmp\Talx-Setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-B4W6QB9MHT.tmp\Talx-Setup.tmp" /SL5="$501AC,3267511,868352,C:\Users\Admin\AppData\Local\Temp\Talx-Setup.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\taskkill.exe"C:\Windows\system32\taskkill.exe" /IM talx.exe /F3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /TN "Talx" /XML "C:\Users\Admin\AppData\Local\Temp\is-0F6VY2VB6N.tmp\talx-task.xml" /F3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Program Files\Talx\talx.exe"C:\Program Files\Talx\talx.exe"3⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
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C:\Program Files\Talx\talx.exe"C:\Program Files\Talx\talx.exe"1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
talx.exe
talx-task.xml
Talx-Setup.tmp
memory/1864-0-0x0000000000A00000-0x0000000000AE2000-memory.dmp
memory/1864-15-0x0000000000A00000-0x0000000000AE2000-memory.dmp
memory/1864-34-0x0000000000A00000-0x0000000000AE2000-memory.dmp
memory/3220-6-0x0000000001520000-0x0000000001521000-memory.dmp
memory/3220-29-0x0000000001520000-0x0000000001521000-memory.dmp
memory/3220-28-0x0000000000A80000-0x0000000000F65000-memory.dmp
memory/3220-33-0x0000000000A80000-0x0000000000F65000-memory.dmp