Analysis
- max time kernel
148s - max time network
109s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/10/2026, 13:09
General
- Target ISL Light Client 78241199.exe
- Size 639KB
- Sample261015-qd9sbavvb1
- SHA256 d7a79893772c70a96f556ebd3fa3330a5a415b2952e157a947bd50cbd34c972d
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ISL Light Client 78241199.exe"C:\Users\Admin\AppData\Local\Temp\ISL Light Client 78241199.exe"1⤵
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ISL Online Cache\ISL Network Start\1\extract_1792069802_3872_4780_1468213695\ISL_Light_Client_5_0_2551_64 78241199.exeISL_Light_Client_5_0_2551_64_78241199.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ISLLight.dll
ISLNetworkStart.dll
ISL_Light_Client_5_0_2551_64 78241199.exe
ISL_Light_Client_5_0_2551_64 78241199.exe.extra
isl_network_start.log
isl_network_start.log
memory/3184-89-0x00000000031D0000-0x00000000031D1000-memory.dmp
memory/3184-88-0x0000000002CA0000-0x0000000002CA1000-memory.dmp
memory/3184-87-0x00000000010F0000-0x00000000010F1000-memory.dmp
memory/3184-86-0x00000000010D0000-0x00000000010D1000-memory.dmp
memory/3184-85-0x00000000010C0000-0x00000000010C1000-memory.dmp
memory/3184-83-0x0000000001090000-0x0000000001091000-memory.dmp
memory/3184-84-0x00000000010B0000-0x00000000010B1000-memory.dmp