Analysis
- max time kernel
150s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
30/12/2024, 10:23
General
- Target AYRASY.exe
- Size 1.7MB
- Sample241230-mesnmsxma1
- SHA256 72d043dcd766da3f32477c3c1612165b2124f347013bbb69ba3da85eaf9e3d40
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
- Suspicious Office macro 1 IoCs
Office document equipped with macros.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- Executes dropped EXE 5 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- AutoIT Executable 19 IoCs
AutoIT scripts compiled to PE executables.
- UPX packed file 22 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 9 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
- NTFS ADS 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AYRASY.exe"C:\Users\Admin\AppData\Local\Temp\AYRASY.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_AYRASY.exe"C:\Users\Admin\AppData\Local\Temp\._cache_AYRASY.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn WBHUSK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe /sc minute /mo 13⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn WBHUSK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe /sc minute /mo 14⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\WBHUSK.vbs3⤵
- System Location Discovery: System Language Discovery
-
-
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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
-
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
-
-
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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
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C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exeC:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exeC:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
Synaptics.exe
._cache_AYRASY.exe
WBHUSK.vbs
wnTDyvs9.xlsm
wnTDyvs9.xlsm
memory/1752-256-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/1752-254-0x00000000021B0000-0x00000000021B1000-memory.dmp
memory/1752-130-0x00000000021B0000-0x00000000021B1000-memory.dmp
memory/1752-298-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/1900-255-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-273-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-266-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-301-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-305-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-309-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-311-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-303-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-299-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-253-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-313-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-70-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-297-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-260-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-262-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/1900-264-0x0000000000A30000-0x0000000000C3E000-memory.dmp
memory/3200-192-0x0000000000D50000-0x0000000000F5E000-memory.dmp
memory/3200-199-0x0000000000D50000-0x0000000000F5E000-memory.dmp
memory/3668-195-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp
memory/3668-205-0x00007FFD9B0E0000-0x00007FFD9B0F0000-memory.dmp
memory/3668-200-0x00007FFD9B0E0000-0x00007FFD9B0F0000-memory.dmp
memory/3668-193-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp
memory/3668-194-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp
memory/3668-196-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp
memory/3668-197-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp
memory/3704-271-0x0000000000F00000-0x000000000110E000-memory.dmp
memory/3704-270-0x0000000000F00000-0x000000000110E000-memory.dmp
memory/3980-0-0x0000000002340000-0x0000000002341000-memory.dmp
memory/3980-129-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/5024-308-0x0000000000F00000-0x000000000110E000-memory.dmp