Analysis
- max time kernel
141s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
01/01/2025, 00:45
General
- Target 8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe
- Size 2.2MB
- Sample250101-a34dtszrak
- SHA256 8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70
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
- Xred
Xred is backdoor written in Delphi.
- Xred family
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- Program crash 2 IoCs
- 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 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe"C:\Users\Admin\AppData\Local\Temp\8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe"C:\Users\Admin\AppData\Local\Temp\._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 8243⤵
- Program crash
-
-
-
C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 8244⤵
- Program crash
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 620 -ip 6201⤵
-
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:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5052 -ip 50521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Synaptics.exe
._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe
61B75E00
LYLmu1xi.xlsm
memory/116-130-0x0000000000400000-0x0000000000632000-memory.dmp
memory/116-0-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/620-119-0x0000000000A90000-0x0000000000C06000-memory.dmp
memory/620-132-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/620-118-0x0000000072C5E000-0x0000000072C5F000-memory.dmp
memory/2540-131-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/2540-278-0x0000000000400000-0x0000000000632000-memory.dmp
memory/2540-246-0x0000000000400000-0x0000000000632000-memory.dmp
memory/2540-247-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/3732-196-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp
memory/3732-199-0x00007FFF7EEA0000-0x00007FFF7EEB0000-memory.dmp
memory/3732-198-0x00007FFF7EEA0000-0x00007FFF7EEB0000-memory.dmp
memory/3732-193-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp
memory/3732-197-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp
memory/3732-194-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp
memory/3732-195-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp