Analysis
- user interaction
yes - max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
11/08/2026, 16:48
General
- Target Promenta_Comb_4.0.1.003.exe
- Size 3.0MB
- Sample260811-vbkgvsfd33
- SHA256 c3d7b0e52f8b8047d0ffdbc61823c06825f911900059f4e022b8707f36415a54
Score
4/10
Malware Config
Signatures
- 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 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. 2 IoCs
Inno Setup installer
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Promenta_Comb_4.0.1.003.exe"C:\Users\Admin\AppData\Local\Temp\Promenta_Comb_4.0.1.003.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-MH770.tmp\Promenta_Comb_4.0.1.003.tmp"C:\Users\Admin\AppData\Local\Temp\is-MH770.tmp\Promenta_Comb_4.0.1.003.tmp" /SL5="$2024E,2080600,941568,C:\Users\Admin\AppData\Local\Temp\Promenta_Comb_4.0.1.003.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-LA3F8.tmp\netcorecheck_x64.exe"C:\Users\Admin\AppData\Local\Temp\is-LA3F8.tmp\netcorecheck_x64.exe" -n Microsoft.WindowsDesktop.App -v 8.0.10 -l "./check.log"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
UninsIS.dll
check.log
netcorecheck_x64.exe
Promenta_Comb_4.0.1.003.tmp
memory/1764-5-0x0000000002800000-0x0000000002801000-memory.dmp
memory/1764-27-0x0000000002800000-0x0000000002801000-memory.dmp
memory/1764-26-0x00000000001D0000-0x0000000000552000-memory.dmp
memory/1764-29-0x00000000001D0000-0x0000000000552000-memory.dmp
memory/2624-0-0x0000000000DA0000-0x0000000000E96000-memory.dmp
memory/2624-25-0x0000000000DA0000-0x0000000000E96000-memory.dmp