Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/11/2024, 09:11
General
- Target 248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe
- Size 1.5MB
- Sample241107-k52ccszdkj
- SHA256 248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c
Malware Config
Signatures
- Detect PurpleFox Rootkit 11 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 12 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
- 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
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 3 IoCs
- Drops file in System32 directory 6 IoCs
- UPX packed file 13 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 8 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.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe"C:\Users\Admin\AppData\Local\Temp\248d5aa7e86540db6640678b21dbfd485483094c55b5be4525966c157972958c.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.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\svchost.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\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.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:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.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\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240616828.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
HD_X.dat
svchos.exe
svchost.exe
240616828.txt
Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
memory/2044-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2044-10-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2044-4-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2044-6-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3388-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3388-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3388-16-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3388-13-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3388-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4856-32-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4856-38-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4856-41-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4856-44-0x0000000010000000-0x00000000101B6000-memory.dmp