Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/06/2024, 12:36
General
- Target b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exe
- Size 13.8MB
- Sample240625-ps1yaazeph
- SHA256 b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa
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.
- PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
- 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 6 IoCs
- Loads dropped DLL 4 IoCs
- UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 6 IoCs
- Drops file in Program Files directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- Program crash 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exe"C:\Users\Admin\AppData\Local\Temp\b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- 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
- 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⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- 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
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C:\Users\Admin\AppData\Local\Temp\HD_b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exeC:\Users\Admin\AppData\Local\Temp\HD_b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh int ipv4 set dynamicport tcp start=10000 num=550003⤵
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\SysWOW64\netsh.exenetsh int ipv6 set dynamicport tcp start=10000 num=550003⤵
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 10723⤵
- Program crash
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- 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
- 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\240602000.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 948 -ip 9481⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Server Software Component
1Terminal Services DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
HD_X.dat
HD_b1790ec519aa5ce5733d1f18afea4f837d0add12e2a6f3438bef901b363ab2fa.exe
svchos.exe
svchost.exe
wgcore.dll
240602000.txt
Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
memory/948-105-0x0000000000400000-0x0000000001309000-memory.dmp
memory/948-104-0x00000000033D0000-0x000000000348B000-memory.dmp
memory/948-99-0x00000000033D0000-0x000000000348B000-memory.dmp
memory/948-67-0x00000000733D0000-0x0000000073FDE000-memory.dmp
memory/948-48-0x0000000000400000-0x0000000001309000-memory.dmp
memory/1732-43-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1732-30-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1732-40-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1732-38-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3984-25-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3984-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3984-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3984-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3984-16-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4804-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4804-10-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4804-4-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4804-6-0x0000000010000000-0x00000000101B6000-memory.dmp