Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/08/2026, 12:51
General
- Target 新建文件夹/splwow64.exe
- Size 1.1MB
- Sample260822-p3qkasvbkf
- SHA256 f06076f9316264bd38fc71ab256553ab48b3583d900d899326a71c1565134dcf
Malware Config
Extracted
-
xred
-
xred.mooo.com
-
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Signatures
- Family: Xred
Xred is backdoor written in Delphi.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\新建文件夹\splwow64.exe"C:\Users\Admin\AppData\Local\Temp\新建文件夹\splwow64.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\._cache_splwow64.exe"C:\Users\Admin\AppData\Local\Temp\._cache_splwow64.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
._cache_splwow64.exe
memory/2112-61-0x00007FFC6D72F000-0x00007FFC6D730000-memory.dmp
memory/2112-62-0x0000000000230000-0x000000000028E000-memory.dmp
memory/2112-63-0x00007FFC6D5A0000-0x00007FFC6DF44000-memory.dmp
memory/2112-64-0x00007FFC6D5A0000-0x00007FFC6DF44000-memory.dmp
memory/2112-65-0x00007FFC6D5A0000-0x00007FFC6DF44000-memory.dmp
memory/2112-66-0x00007FFC6D5A0000-0x00007FFC6DF44000-memory.dmp
memory/3520-0-0x0000000002400000-0x0000000002401000-memory.dmp
memory/3520-1-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/3520-67-0x0000000002400000-0x0000000002401000-memory.dmp
memory/3520-68-0x0000000000400000-0x000000000051A000-memory.dmp