Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
25/06/2024, 12:33
General
- Target b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.exe
- Size 14.8MB
- Sample240625-prd25ashpr
- SHA256 b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68
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.
- 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 5 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 3 IoCs
- 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
- 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 FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.exe"C:\Users\Admin\AppData\Local\Temp\b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.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\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 4683⤵
- 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
- 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:\Users\Admin\AppData\Local\Temp\HD_b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.exeC:\Users\Admin\AppData\Local\Temp\HD_b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.exe2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4084 -ip 40841⤵
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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
HD_b2f3c5df98d7ea9535e93246185f97d35484fb7a069de45f647b10be46cf2b68.exe
N.exe
R.exe
240648015.txt
memory/1056-33-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1056-39-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1056-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3232-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3232-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3232-12-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3232-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4872-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4872-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4872-31-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4872-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4872-25-0x0000000010000000-0x00000000101B6000-memory.dmp