Analysis
- max time kernel
141s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
29/11/2024, 09:20
General
- Target mwVGb4WU.exe
- Size 753KB
- Sample241129-la335sspdm
- SHA256 83201d85f85f870c65c3e40e712313fb3764cab64691fcd60a2a466019b2c4fa
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 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 2 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 8 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\mwVGb4WU.exe"C:\Users\Admin\AppData\Local\Temp\mwVGb4WU.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:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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
BBC75E00
RmxFZb9o.xlsm
memory/4248-64-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/4248-0-0x0000000002260000-0x0000000002261000-memory.dmp
memory/4464-65-0x0000000002140000-0x0000000002141000-memory.dmp
memory/4464-158-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/4464-128-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/4464-126-0x0000000002140000-0x0000000002141000-memory.dmp
memory/5028-67-0x00007FFF69270000-0x00007FFF69280000-memory.dmp
memory/5028-78-0x00007FFF66910000-0x00007FFF66920000-memory.dmp
memory/5028-73-0x00007FFF69270000-0x00007FFF69280000-memory.dmp
memory/5028-74-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-76-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-77-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-75-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-70-0x00007FFF69270000-0x00007FFF69280000-memory.dmp
memory/5028-79-0x00007FFF66910000-0x00007FFF66920000-memory.dmp
memory/5028-71-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-72-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-66-0x00007FFF69270000-0x00007FFF69280000-memory.dmp
memory/5028-127-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp
memory/5028-68-0x00007FFF69270000-0x00007FFF69280000-memory.dmp
memory/5028-69-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp