Analysis
- max time kernel
150s - max time network
158s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 18:23
General
- Target tsetup.6.3.6.exe
- Size 43.2MB
- Sample260707-w1llwsb18x
- SHA256 b9dd2bf54a56662308069d61dd6dac1d5a1b70e0b112588d32517fc78fbce7ed
Malware Config
Signatures
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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
- Enumerates system info in registry 2 TTPs 6 IoCs
- Modifies registry class 32 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tsetup.6.3.6.exe"C:\Users\Admin\AppData\Local\Temp\tsetup.6.3.6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3KTNJ.tmp\tsetup.6.3.6.tmp"C:\Users\Admin\AppData\Local\Temp\is-3KTNJ.tmp\tsetup.6.3.6.tmp" /SL5="$A0252,44242094,864256,C:\Users\Admin\AppData\Local\Temp\tsetup.6.3.6.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Telegram Desktop\Telegram.exe"C:\Users\Admin\AppData\Roaming\Telegram Desktop\Telegram.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tsetup.6.3.6.tmp
d3dcompiler_47.dll
memory/2712-0-0x0000000000A80000-0x0000000000B62000-memory.dmp
memory/2712-8-0x0000000000A80000-0x0000000000B62000-memory.dmp
memory/2712-42-0x0000000000A80000-0x0000000000B62000-memory.dmp
memory/5172-6-0x0000000002710000-0x0000000002711000-memory.dmp
memory/5172-10-0x0000000002710000-0x0000000002711000-memory.dmp
memory/5172-9-0x00000000001C0000-0x0000000000544000-memory.dmp
memory/5172-12-0x00000000001C0000-0x0000000000544000-memory.dmp
memory/5172-14-0x00000000001C0000-0x0000000000544000-memory.dmp
memory/5172-30-0x00000000001C0000-0x0000000000544000-memory.dmp
memory/5172-41-0x00000000001C0000-0x0000000000544000-memory.dmp