Analysis
- max time kernel
150s - max time network
122s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
10/10/2023, 08:16
General
- Target 3d7a0d7b870363cead6c2185590d335952ab020e3bcea291c1bc7410ae2fd663.exe
- Size 2.2MB
- Sample231010-j6cvqacb21
- SHA256 3d7a0d7b870363cead6c2185590d335952ab020e3bcea291c1bc7410ae2fd663
Malware Config
Signatures
- Detect PurpleFox Rootkit 7 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
- 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 7 IoCs
- UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 6 IoCs
- 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 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3d7a0d7b870363cead6c2185590d335952ab020e3bcea291c1bc7410ae2fd663.exe"C:\Users\Admin\AppData\Local\Temp\3d7a0d7b870363cead6c2185590d335952ab020e3bcea291c1bc7410ae2fd663.exe"1⤵
- Loads dropped DLL
- 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\259406356.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
- Loads dropped DLL
- 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
N.exe
R.exe
Remote Data.exe
Remote Data.exe
TXPlatfor.exe
TXPlatfor.exe
TXPlatfor.exe
259406356.txt
N.exe
R.exe
259406356.txt
259406356.txt
259406356.txt
Remote Data.exe
TXPlatfor.exe
memory/2652-33-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2652-22-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2652-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2672-42-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2672-44-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2672-47-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2796-38-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2796-30-0x0000000010000000-0x00000000101B6000-memory.dmp