Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
21/07/2026, 11:33
General
- Target Commercial_Invoice.exe
- Size 223KB
- Sample260721-nnzc8aes4m
- SHA256 dd053f3890a5c093ece2685a8bc11c8c1f6c1cc2b0f15d828a02e3af202a970f
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 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.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commercial_Invoice.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/4808-16-0x0000000005A30000-0x00000000064E8000-memory.dmp
memory/4808-17-0x00000000737F5000-0x00000000737F6000-memory.dmp
memory/5508-18-0x0000000001760000-0x0000000002218000-memory.dmp
memory/5508-20-0x0000000076FAD000-0x0000000076FAE000-memory.dmp
memory/5508-19-0x0000000076FEF000-0x0000000076FF0000-memory.dmp
memory/5508-21-0x0000000077075000-0x0000000077076000-memory.dmp
memory/5508-22-0x0000000001760000-0x0000000002218000-memory.dmp
memory/5508-23-0x0000000000470000-0x0000000001756000-memory.dmp
memory/5508-24-0x0000000077075000-0x0000000077076000-memory.dmp