Analysis
- max time kernel
146s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
10/12/2024, 04:31
General
- Target Loader.exe
- Size 2.6MB
- Sample241210-e5n45stncz
- SHA256 251b00319baa0ea6716fef69f337f1bfbb2697b682d7094c0429e5004b11502b
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).
- 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 9 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.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_Loader.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Loader.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
-
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
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
-
-
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_Loader.exe
2DD75E00
dI84r9sV.xlsm
memory/920-0-0x0000000002550000-0x0000000002551000-memory.dmp
memory/920-129-0x0000000000400000-0x00000000006A2000-memory.dmp
memory/2320-207-0x00007FFD0CBD0000-0x00007FFD0CBE0000-memory.dmp
memory/2320-201-0x00007FFD0F3F0000-0x00007FFD0F400000-memory.dmp
memory/2320-203-0x00007FFD0CBD0000-0x00007FFD0CBE0000-memory.dmp
memory/2320-198-0x00007FFD0F3F0000-0x00007FFD0F400000-memory.dmp
memory/2320-199-0x00007FFD0F3F0000-0x00007FFD0F400000-memory.dmp
memory/2320-202-0x00007FFD0F3F0000-0x00007FFD0F400000-memory.dmp
memory/2320-200-0x00007FFD0F3F0000-0x00007FFD0F400000-memory.dmp
memory/3780-139-0x0000000005790000-0x00000000059A4000-memory.dmp
memory/3780-206-0x0000000006C40000-0x0000000006F94000-memory.dmp
memory/3780-138-0x00000000053E0000-0x00000000053EA000-memory.dmp
memory/3780-137-0x0000000005330000-0x0000000005340000-memory.dmp
memory/3780-136-0x0000000005360000-0x0000000005372000-memory.dmp
memory/3780-135-0x0000000005450000-0x00000000054E2000-memory.dmp
memory/3780-204-0x0000000009410000-0x00000000094C2000-memory.dmp
memory/3780-205-0x0000000009520000-0x0000000009542000-memory.dmp
memory/3780-131-0x00000000007D0000-0x00000000009B6000-memory.dmp
memory/3780-134-0x0000000005A00000-0x0000000005FA4000-memory.dmp
memory/3780-209-0x0000000009590000-0x00000000095CC000-memory.dmp
memory/3780-125-0x0000000072C6E000-0x0000000072C6F000-memory.dmp
memory/4048-130-0x0000000000860000-0x0000000000861000-memory.dmp
memory/4048-260-0x0000000000400000-0x00000000006A2000-memory.dmp
memory/4048-267-0x0000000000400000-0x00000000006A2000-memory.dmp
memory/4048-278-0x0000000000400000-0x00000000006A2000-memory.dmp
memory/4048-297-0x0000000000400000-0x00000000006A2000-memory.dmp