Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
24/12/2024, 17:19
General
- Target RNEQTT.exe
- Size 1.6MB
- Sample241224-vvtvmssrdr
- SHA256 6bf3a9c47d0dc7cbde76eb4dbd81f9fcac54f64d7bf907ff952438503d8588b6
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.
- 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 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RNEQTT.exe"C:\Users\Admin\AppData\Local\Temp\RNEQTT.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_RNEQTT.exe"C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.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 VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 13⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 14⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs3⤵
- System Location Discovery: System Language Discovery
-
-
-
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
-
C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exeC:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exeC:\Users\Admin\AppData\Roaming\Windata\NUHORT.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_RNEQTT.exe
7B875E00
AIDG92xB.xlsm
VFNCBO.vbs
memory/624-204-0x0000000000CD0000-0x0000000000EC0000-memory.dmp
memory/624-197-0x0000000000CD0000-0x0000000000EC0000-memory.dmp
memory/1004-130-0x0000000002200000-0x0000000002201000-memory.dmp
memory/1004-266-0x0000000002200000-0x0000000002201000-memory.dmp
memory/1004-305-0x0000000000400000-0x00000000005A2000-memory.dmp
memory/1004-268-0x0000000000400000-0x00000000005A2000-memory.dmp
memory/2872-0-0x0000000002450000-0x0000000002451000-memory.dmp
memory/2872-129-0x0000000000400000-0x00000000005A2000-memory.dmp
memory/3508-308-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-318-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-306-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-310-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-314-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-316-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-304-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-275-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-284-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-265-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-320-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-267-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-70-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-269-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-271-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3508-273-0x0000000000920000-0x0000000000B10000-memory.dmp
memory/3960-262-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-205-0x00007FFD314F0000-0x00007FFD31500000-memory.dmp
memory/3960-199-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-261-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-263-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-264-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-206-0x00007FFD314F0000-0x00007FFD31500000-memory.dmp
memory/3960-200-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-198-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-202-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/3960-201-0x00007FFD33E50000-0x00007FFD33E60000-memory.dmp
memory/4728-313-0x0000000000700000-0x00000000008F0000-memory.dmp
memory/4800-278-0x0000000000700000-0x00000000008F0000-memory.dmp
memory/4800-281-0x0000000000700000-0x00000000008F0000-memory.dmp