Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
27/07/2026, 17:17
General
- Target hwmonitor.exe
- Size 2.9MB
- Sample260727-vtpvasap2s
- SHA256 24b91d93b6d58aa878532d5c7a592f454efdc65537568ad2d3f7719c11e55b34
Malware Config
Signatures
- Executes dropped EXE 1 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 7 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
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hwmonitor.exe"C:\Users\Admin\AppData\Local\Temp\hwmonitor.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-G8Q5M.tmp\hwmonitor.tmp"C:\Users\Admin\AppData\Local\Temp\is-G8Q5M.tmp\hwmonitor.tmp" /SL5="$4011A,2169703,776192,C:\Users\Admin\AppData\Local\Temp\hwmonitor.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\CPUID\HWMonitor\hwm_readme.txt3⤵
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
HWMonitor.exe
hwm_readme.txt
hwmonitor.tmp
memory/4620-0-0x0000000000400000-0x00000000004CB000-memory.dmp
memory/4620-8-0x0000000000400000-0x00000000004CB000-memory.dmp
memory/4620-39-0x0000000000400000-0x00000000004CB000-memory.dmp
memory/5524-6-0x0000000002620000-0x0000000002621000-memory.dmp
memory/5524-10-0x0000000002620000-0x0000000002621000-memory.dmp
memory/5524-9-0x0000000000400000-0x0000000000706000-memory.dmp
memory/5524-12-0x0000000000400000-0x0000000000706000-memory.dmp
memory/5524-32-0x0000000000400000-0x0000000000706000-memory.dmp
memory/5524-38-0x0000000000400000-0x0000000000706000-memory.dmp