Analysis
- max time kernel
142s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
06/06/2023, 04:10
General
- Target ee9f9565049005c3fc1dfd32db706ef8.exe
- Size 308KB
- Sample230606-erctysbh92
- SHA256 41fe567d55eb7815d15fe5f3408a902f5743a42b2d6b58a6eac7455a06e52d28
Malware Config
Signatures
- Gh0st RAT payload 5 IoCs
- Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- 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 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in Program Files directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ee9f9565049005c3fc1dfd32db706ef8.exe"C:\Users\Admin\AppData\Local\Temp\ee9f9565049005c3fc1dfd32db706ef8.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Microsoft Efxkgq\Evnagqb.com"C:\Program Files (x86)\Microsoft Efxkgq\Evnagqb.com"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Evnagqb.com
Evnagqb.com
NetSyst96.dll
memory/1312-137-0x0000000010000000-0x000000001034B000-memory.dmp
memory/1312-140-0x0000000010000000-0x000000001034B000-memory.dmp
memory/1312-141-0x0000000010000000-0x000000001034B000-memory.dmp
memory/3856-148-0x0000000010000000-0x000000001034B000-memory.dmp
memory/3856-151-0x0000000010000000-0x000000001034B000-memory.dmp
memory/3856-152-0x0000000010000000-0x000000001034B000-memory.dmp
memory/3856-153-0x0000000010000000-0x000000001034B000-memory.dmp