Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
27/08/2023, 17:15
General
- Target a3a30d505371570397e87968f6b94ec09971fc1338b789a354f0306425768e7a.exe
- Size 512KB
- Sample230827-vsrbqsca25
- SHA256 a3a30d505371570397e87968f6b94ec09971fc1338b789a354f0306425768e7a
Malware Config
Signatures
- Detect PurpleFox Rootkit 9 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 2 IoCs
- UPX packed file 13 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 2 IoCs
- 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
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C:\Users\Admin\AppData\Local\Temp\a3a30d505371570397e87968f6b94ec09971fc1338b789a354f0306425768e7a.exe"C:\Users\Admin\AppData\Local\Temp\a3a30d505371570397e87968f6b94ec09971fc1338b789a354f0306425768e7a.exe"1⤵
- 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\A3A30D~1.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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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
TXPlatforn.exe
TXPlatforn.exe
TXPlatforn.exe
memory/2160-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2160-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2160-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2160-25-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2656-9-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2656-11-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2656-12-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2656-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4404-4-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4404-3-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4404-13-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4404-2-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4404-0-0x0000000010000000-0x00000000101B6000-memory.dmp