Analysis
- max time kernel
149s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
10/10/2026, 16:52
General
- Target VCDSLoader.exe
- Size 3.3MB
- Sample261010-vdkkmsgx6z
- SHA256 e7ff318a19a78e9b636559132feaf7e81134814f5c6b26d4f8efa55cc509e77f
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.
- Suspicious Office macro 1 IoCs
Office document equipped with macros.
- 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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 11 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VCDSLoader.exe"C:\Users\Admin\AppData\Local\Temp\VCDSLoader.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_VCDSLoader.exe"C:\Users\Admin\AppData\Local\Temp\._cache_VCDSLoader.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- 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
-
C:\ProgramData\Synaptics\Synaptics.exeC:\ProgramData\Synaptics\Synaptics.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Synaptics.exe
._cache_VCDSLoader.exe
rvs7EIoh.xlsm
rvs7EIoh.xlsm
memory/756-1-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/756-0-0x0000000002510000-0x0000000002511000-memory.dmp
memory/756-99-0x0000000000400000-0x0000000000751000-memory.dmp
memory/4332-146-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/4332-176-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/4916-35-0x0000000000400000-0x00000000008A8000-memory.dmp
memory/4916-90-0x0000000000400000-0x00000000008A8000-memory.dmp
memory/4916-145-0x0000000000400000-0x00000000008A8000-memory.dmp
memory/4916-41-0x0000000000400000-0x00000000008A8000-memory.dmp
memory/5796-101-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/5796-107-0x00007FF9BC420000-0x00007FF9BC430000-memory.dmp
memory/5796-108-0x00007FF9BC420000-0x00007FF9BC430000-memory.dmp
memory/5796-104-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/5796-103-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/5796-102-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/5796-100-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/6036-106-0x0000000000400000-0x00000000004C3000-memory.dmp