Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
29/05/2024, 00:04
General
- Target b0c3579d48e7524822d75bb1b7611f9d6ebd058a7a70290f8e75a9f250bf4550.exe
- Size 2.3MB
- Sample240529-acp4hsba35
- SHA256 b0c3579d48e7524822d75bb1b7611f9d6ebd058a7a70290f8e75a9f250bf4550
Malware Config
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.
- 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 DLL path for service in the registry 2 TTPs 1 IoCs
- Sets service image path in registry 2 TTPs 1 IoCs
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 3 IoCs
- UPX packed file 10 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 6 IoCs
- Drops file in Program Files directory 1 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: 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\b0c3579d48e7524822d75bb1b7611f9d6ebd058a7a70290f8e75a9f250bf4550.exe"C:\Users\Admin\AppData\Local\Temp\b0c3579d48e7524822d75bb1b7611f9d6ebd058a7a70290f8e75a9f250bf4550.exe"1⤵
- Drops file in Program Files directory
- 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⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
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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
- 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⤵
- 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\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
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240617921.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- 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
Replay Monitor
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Downloads
HD_X.dat
N.exe
R.exe
240617921.txt
Remote Data.exe
memory/2440-36-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2440-52-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2440-50-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3408-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3408-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3408-28-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4876-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4876-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4876-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4876-20-0x0000000010000000-0x00000000101B6000-memory.dmp