Analysis
- max time kernel
152s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
11/10/2023, 05:40
General
- Target bb2e7fd63b16add429dc145f88a8298f0fb9319f9334b68d26878697a207b6b9.exe
- Size 1.3MB
- Sample231011-gc8zysef43
- SHA256 bb2e7fd63b16add429dc145f88a8298f0fb9319f9334b68d26878697a207b6b9
Malware Config
Signatures
- Detect PurpleFox Rootkit 10 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 10 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
- Sets service image path in registry 2 TTPs 1 IoCs
- Executes dropped EXE 3 IoCs
- UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 2 IoCs
- Drops file in Program Files directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb2e7fd63b16add429dc145f88a8298f0fb9319f9334b68d26878697a207b6b9.exe"C:\Users\Admin\AppData\Local\Temp\bb2e7fd63b16add429dc145f88a8298f0fb9319f9334b68d26878697a207b6b9.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\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.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\RVN.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:\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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
HD_X.dat
RVN.exe
RVN.exe
TXPlatforn.exe
TXPlatforn.exe
TXPlatforn.exe
memory/2412-96-0x0000000000400000-0x0000000000540000-memory.dmp
memory/2412-0-0x0000000000400000-0x0000000000540000-memory.dmp
memory/3920-9-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3920-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3920-8-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3920-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3920-5-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4140-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4140-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4140-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4140-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4588-41-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4588-53-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4588-77-0x0000000010000000-0x00000000101B6000-memory.dmp