Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
30/12/2024, 10:34
General
- Target Open Purchase Order Summary Sheet.vbs
- Size 641B
- Sample241230-ml33ysxmgx
- SHA256 44d5e912b8ef69914ba4ba6064dcded455f65e53ae2cfe4addee0f597b51e2c1
Malware Config
Extracted
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xred
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xred.mooo.com
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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
- Blocklisted process makes network request 3 IoCs
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 6 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- AutoIT Executable 5 IoCs
AutoIT scripts compiled to PE executables.
- 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 6 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Open Purchase Order Summary Sheet.vbs"1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Google.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Google.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- 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_Google.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Google.exe"3⤵
- 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
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn UAINOJ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TCPKPY.exe /sc minute /mo 14⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn UAINOJ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\TCPKPY.exe /sc minute /mo 15⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\UAINOJ.vbs4⤵
- System Location Discovery: System Language Discovery
-
-
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate3⤵
- 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" InjUpdate4⤵
- 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\TCPKPY.exeC:\Users\Admin\AppData\Roaming\Windata\TCPKPY.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\Windata\TCPKPY.exeC:\Users\Admin\AppData\Roaming\Windata\TCPKPY.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
._cache_Google.exe
45Ze6c8U.xlsm
C2385E00
UAINOJ.vbs
Google.exe
memory/468-264-0x0000000000400000-0x0000000000621000-memory.dmp
memory/468-298-0x0000000000400000-0x0000000000621000-memory.dmp
memory/1876-142-0x0000000000400000-0x0000000000621000-memory.dmp
memory/1876-14-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/3960-211-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp
memory/3960-212-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp
memory/3960-213-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp
memory/3960-210-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp
memory/3960-209-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp
memory/3960-214-0x00007FFF0C9D0000-0x00007FFF0C9E0000-memory.dmp
memory/3960-215-0x00007FFF0C9D0000-0x00007FFF0C9E0000-memory.dmp