Analysis
- max time kernel
93s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
02/01/2025, 21:33
General
- Target bj.exe
- Size 378KB
- Sample250102-1ejbvswpcv
- SHA256 ca89debe5dff34c2e2f56875d7dcde5e47565329d3aeb2f2f4a6a3e2248fe664
Malware Config
Signatures
- Gh0st RAT payload 10 IoCs
- Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Gh0strat family
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 7 IoCs
- Drops file in System32 directory 6 IoCs
- Program crash 3 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 46 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bj.exe"C:\Users\Admin\AppData\Local\Temp\bj.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
\??\c:\users\admin\appdata\local\buoxjyikjk"C:\Users\Admin\AppData\Local\Temp\bj.exe" a -sc:\users\admin\appdata\local\temp\bj.exe2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 10842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1752 -ip 17521⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 9442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1084 -ip 10841⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 10842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1928 -ip 19281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
zni8AFA.tmp
buoxjyikjk
svchost.exe.txt
svchost.exe.txt
trddq.cc3
memory/540-14-0x0000000000400000-0x0000000000432800-memory.dmp
memory/540-30-0x0000000002050000-0x00000000020C4000-memory.dmp
memory/540-23-0x0000000002050000-0x00000000020C4000-memory.dmp
memory/540-31-0x0000000000400000-0x0000000000432800-memory.dmp
memory/540-24-0x0000000000400000-0x0000000000432800-memory.dmp
memory/1084-36-0x0000000001DF0000-0x0000000001DF1000-memory.dmp
memory/1084-39-0x0000000020000000-0x0000000020027000-memory.dmp
memory/1752-32-0x0000000001ED0000-0x0000000001ED1000-memory.dmp
memory/1752-34-0x0000000020000000-0x0000000020027000-memory.dmp
memory/1928-41-0x0000000001D90000-0x0000000001D91000-memory.dmp
memory/1928-44-0x0000000020000000-0x0000000020027000-memory.dmp
memory/2140-0-0x0000000000400000-0x0000000000432800-memory.dmp
memory/2140-16-0x00000000004B0000-0x0000000000524000-memory.dmp
memory/2140-17-0x0000000000400000-0x0000000000432800-memory.dmp
memory/2140-8-0x0000000000401000-0x0000000000402000-memory.dmp
memory/2140-6-0x00000000004B0000-0x0000000000524000-memory.dmp