Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/12/2024, 12:45
General
- Target 5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe
- Size 10.4MB
- Sample241208-py2f1aymgl
- SHA256 5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d
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
- Detect PurpleFox Rootkit 8 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 9 IoCs
- Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Gh0strat family
- PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
- Purplefox family
- Xred
Xred is backdoor written in Delphi.
- Xred family
- Drops file in Drivers directory 1 IoCs
- Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
- Sets service image path in registry 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 9 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 6 IoCs
- UPX packed file 10 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 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 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- 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
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of SetWindowsHookEx 14 IoCs
- Suspicious use of WriteProcessMemory 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe"C:\Users\Admin\AppData\Local\Temp\5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\N.exeC:\Users\Admin\AppData\Local\Temp\\N.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exeC:\Users\Admin\AppData\Local\Temp\HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe2⤵
- 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_HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe"C:\Users\Admin\AppData\Local\Temp\._cache_HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240618781.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x514 0x50c1⤵
- Suspicious use of AdjustPrivilegeToken
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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
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
._cache_HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe
0DA75E00
HD_5e93c2a56e0deb4d65e937bd8c0ca578f05fc40794a608f8e2d20536522ded5d.exe
HD_X.dat
N.exe
R.exe
fEqaCx9g.xlsm
240618781.txt
Remote Data.exe
memory/628-28-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/628-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/628-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/988-252-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-251-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-311-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-256-0x00007FFD493C0000-0x00007FFD493D0000-memory.dmp
memory/988-314-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-255-0x00007FFD493C0000-0x00007FFD493D0000-memory.dmp
memory/988-313-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-312-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-250-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-254-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/988-253-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp
memory/1664-45-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1664-40-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1664-44-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2280-189-0x0000000000400000-0x0000000000BEB000-memory.dmp
memory/3484-315-0x0000000000400000-0x0000000000BEB000-memory.dmp
memory/3484-346-0x0000000000400000-0x0000000000BEB000-memory.dmp
memory/4732-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4732-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4732-20-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4732-19-0x0000000010000000-0x00000000101B6000-memory.dmp