Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
01/01/2025, 07:50
General
- Target 6836fa86cbb478beeff4bec5ebe44fd709b60d0ad9c363207b2a344c8b5445d1.exe
- Size 2.4MB
- Sample250101-jplras1qgp
- SHA256 6836fa86cbb478beeff4bec5ebe44fd709b60d0ad9c363207b2a344c8b5445d1
Malware Config
Signatures
- Detect PurpleFox Rootkit 10 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 11 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
- Sets service image path in registry 2 TTPs 1 IoCs
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 1 IoCs
- Drops file in System32 directory 3 IoCs
- UPX packed file 12 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).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 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 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6836fa86cbb478beeff4bec5ebe44fd709b60d0ad9c363207b2a344c8b5445d1.exe"C:\Users\Admin\AppData\Local\Temp\6836fa86cbb478beeff4bec5ebe44fd709b60d0ad9c363207b2a344c8b5445d1.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\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 4523⤵
- Program crash
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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:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4520 -ip 45201⤵
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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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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
HD_X.dat
N.exe
R.exe
240643828.txt
memory/764-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/764-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/764-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/764-36-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/764-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2724-44-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2724-49-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2724-48-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4228-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4228-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4228-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4228-12-0x0000000010000000-0x00000000101B6000-memory.dmp