Analysis
- max time kernel
146s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
26/12/2024, 18:57
General
- Target a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.exe
- Size 1.2MB
- Sample241226-xmervsvmf1
- SHA256 a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9
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
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.exe"C:\Users\Admin\AppData\Local\Temp\a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.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
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C:\Users\Admin\AppData\Local\Temp\._cache_a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.exe"C:\Users\Admin\AppData\Local\Temp\._cache_a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
-
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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
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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
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
-
-
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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 v15
Replay Monitor
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Downloads
Synaptics.exe
._cache_a07db5ee88458ada018809f1b8cc5b2fc605fc0502d0af51172dcfe870b55be9.exe
Browser.ini
S35mRSlG.xlsm
memory/1312-443-0x0000000000400000-0x000000000053C000-memory.dmp
memory/1312-406-0x0000000000400000-0x000000000053C000-memory.dmp
memory/1312-246-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/1312-400-0x0000000000400000-0x000000000053C000-memory.dmp
memory/1312-380-0x0000000000400000-0x000000000053C000-memory.dmp
memory/1820-382-0x0000000000400000-0x0000000000557000-memory.dmp
memory/3492-378-0x0000000000400000-0x0000000000557000-memory.dmp
memory/3492-64-0x0000000000400000-0x0000000000557000-memory.dmp
memory/3676-383-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp
memory/3676-385-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp
memory/3676-384-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp
memory/3676-386-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp
memory/3676-387-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp
memory/3676-388-0x00007FF8848D0000-0x00007FF8848E0000-memory.dmp
memory/3676-389-0x00007FF8848D0000-0x00007FF8848E0000-memory.dmp
memory/4784-0-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/4784-245-0x0000000000400000-0x000000000053C000-memory.dmp