Analysis
- max time kernel
145s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
19/06/2024, 15:25
General
- Target Phija.exe
- Size 539KB
- Sample240619-st5jmssfld
- SHA256 37d67a422a2c3eac276ec75c6b4600aba1028e244b01a3c9b1e22fbace9dfcad
Score
10/10
Malware Config
Signatures
- Detect PurpleFox Rootkit 4 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 4 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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Phija.exe"C:\Users\Admin\AppData\Local\Temp\Phija.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"2⤵
- 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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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\Phija.exe > nul2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Phija.exe
memory/624-17-0x0000000000400000-0x0000000000547000-memory.dmp
memory/624-34-0x0000000000400000-0x0000000000547000-memory.dmp
memory/4508-0-0x0000000000400000-0x0000000000547000-memory.dmp
memory/4508-1-0x0000000010000000-0x000000001019F000-memory.dmp
memory/4508-16-0x0000000000400000-0x0000000000547000-memory.dmp