Analysis
- max time kernel
149s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/10/2026, 18:29
General
- Target maestro-0.1.0-setup.exe
- Size 5.7MB
- Sample261002-w487csfg68
- SHA256 bcd81c7466e8a33ea478ee79d510a5bef93cdecf7b143d6c626e4fd1227a0175
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.exe"C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-V4IUC9YBYX.tmp\maestro-0.1.0-setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-V4IUC9YBYX.tmp\maestro-0.1.0-setup.tmp" /SL5="$80078,4682268,896000,C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.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\Local\Maestro\maestro.exe"C:\Users\Admin\AppData\Local\Maestro\maestro.exe"3⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
maestro.exe
maestro-0.1.0-setup.tmp
memory/1404-45-0x00007FF7644F0000-0x00007FF764F78000-memory.dmp
memory/4600-1-0x0000000000420000-0x0000000000509000-memory.dmp
memory/4600-8-0x0000000000420000-0x0000000000509000-memory.dmp
memory/4600-44-0x0000000000420000-0x0000000000509000-memory.dmp
memory/5384-6-0x0000000003140000-0x0000000003141000-memory.dmp
memory/5384-10-0x0000000003140000-0x0000000003141000-memory.dmp
memory/5384-9-0x0000000000D10000-0x0000000001155000-memory.dmp
memory/5384-12-0x0000000000D10000-0x0000000001155000-memory.dmp
memory/5384-42-0x0000000000D10000-0x0000000001155000-memory.dmp
memory/5384-43-0x0000000000D10000-0x0000000001155000-memory.dmp