Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
20/05/2026, 17:46
General
- Target P0_#1037596.exe
- Size 948KB
- Sample260520-wccn3sh13s
- SHA256 63f3a9264a8afae81e4cb56f5ade6ce4a8d9f7c20a6a977d07346d6aa769878f
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\P0_#1037596.exe"C:\Users\Admin\AppData\Local\Temp\P0_#1037596.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\P0_#1037596.exe"C:\Users\Admin\AppData\Local\Temp\P0_#1037596.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\Telangiectasy\Changed.exeC:\Users\Admin\AppData\Local\Temp\Telangiectasy\Changed.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Telangiectasy\Changed.exeC:\Users\Admin\AppData\Local\Temp\Telangiectasy\Changed.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
Settings.ini
Changed.exe
System.dll
totaled.ini
Pertinente.Huc
Coauthoring.lnk
Coauthoring.lnk
memory/2892-279-0x00000000017A0000-0x0000000006A9B000-memory.dmp
memory/2892-566-0x0000000000480000-0x0000000001797000-memory.dmp
memory/2892-567-0x000000007707B000-0x000000007707C000-memory.dmp
memory/2892-281-0x000000007707B000-0x000000007707C000-memory.dmp
memory/2892-280-0x0000000076FE8000-0x0000000076FE9000-memory.dmp
memory/4844-278-0x00000000738F5000-0x00000000738F6000-memory.dmp
memory/6060-568-0x00000000017A0000-0x0000000006A9B000-memory.dmp