Analysis
- max time kernel
18s - max time network
300s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/07/2026, 16:22
General
- Target Wub.exe
- Size 1.5MB
- Sample260731-tvgpmsdc69
- SHA256 5b9f87db0e57f59cb298447d7fea3879d356f876ebd44fd0ef69a7fe6cb93eae
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 3 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Wub.exe"C:\Users\Admin\AppData\Local\Temp\Wub.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_Wub.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Wub.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\ProgramData\Synaptics\Synaptics.exeC:\ProgramData\Synaptics\Synaptics.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Synaptics.exe
._cache_Wub.exe
5AZaD9BG.xlsm
6f0d6l4l.tmp
memory/920-1-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/920-135-0x0000000000400000-0x0000000000588000-memory.dmp
memory/920-0-0x0000000002350000-0x0000000002351000-memory.dmp
memory/1796-196-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/1796-188-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/1796-175-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/1796-152-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/1796-148-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/4112-147-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/4112-195-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/5764-143-0x00007FFB72660000-0x00007FFB72670000-memory.dmp
memory/5764-142-0x00007FFB72660000-0x00007FFB72670000-memory.dmp
memory/5764-141-0x00007FFB74C80000-0x00007FFB74C90000-memory.dmp
memory/5764-140-0x00007FFB74C80000-0x00007FFB74C90000-memory.dmp
memory/5764-139-0x00007FFB74C80000-0x00007FFB74C90000-memory.dmp
memory/5764-138-0x00007FFB74C80000-0x00007FFB74C90000-memory.dmp
memory/5764-137-0x00007FFB74C80000-0x00007FFB74C90000-memory.dmp