Analysis
- max time kernel
150s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
09/10/2026, 16:03
General
- Target jaffacakes118_Backdoor.Win32.Agent.grgy.exe
- Size 360KB
- Sample261009-thjcpsbs2w
- SHA256 beec28d327625d54e2c16a5b1e7d1fa6b8870f6ec30813992c8a392bbb8720a0
Malware Config
Signatures
- Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Gh0st RAT payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 4 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
\??\c:\Windows\svchest425075242507520.exec:\Windows\svchest425075242507520.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe1⤵
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
BJ.exe
svchest425075242507520.exe
memory/3596-13-0x0000000000400000-0x00000000004F0000-memory.dmp
memory/3864-0-0x0000000000400000-0x00000000004F0000-memory.dmp
memory/3864-1-0x00000000004EF000-0x00000000004F0000-memory.dmp
memory/3864-12-0x0000000000400000-0x00000000004F0000-memory.dmp
memory/5568-11-0x0000000000400000-0x00000000004F0000-memory.dmp