Analysis
- max time kernel
433s - max time network
1159s - platform
windows11-21h2_x64 - resource
win11-20241007-en - resource tags
- submitted
07/12/2024, 18:43
General
- Target bj.exe
- Size 378KB
- Sample241207-xc951stkfr
- 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 45 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\ktqutyevif"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
-
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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 4184 -s 10962⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4184 -ip 41841⤵
-
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 3272 -s 7082⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3272 -ip 32721⤵
-
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 1136 -s 9802⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1136 -ip 11361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
wnqvs.cc3
msiB779.tmp
svchost.exe.txt
svchost.exe.txt
ktqutyevif
memory/1136-44-0x0000000020000000-0x0000000020027000-memory.dmp
memory/1136-41-0x0000000001BD0000-0x0000000001BD1000-memory.dmp
memory/1648-13-0x0000000000400000-0x0000000000432800-memory.dmp
memory/1648-23-0x0000000002160000-0x00000000021D4000-memory.dmp
memory/1648-24-0x0000000002160000-0x00000000021D4000-memory.dmp
memory/1648-30-0x0000000002160000-0x00000000021D4000-memory.dmp
memory/1648-25-0x0000000000400000-0x0000000000432800-memory.dmp
memory/1648-31-0x0000000000400000-0x0000000000432800-memory.dmp
memory/3272-36-0x0000000001DD0000-0x0000000001DD1000-memory.dmp
memory/3272-39-0x0000000020000000-0x0000000020027000-memory.dmp
memory/4108-0-0x0000000000400000-0x0000000000432800-memory.dmp
memory/4108-16-0x0000000002010000-0x0000000002084000-memory.dmp
memory/4108-17-0x0000000000400000-0x0000000000432800-memory.dmp
memory/4108-8-0x0000000000401000-0x0000000000402000-memory.dmp
memory/4108-6-0x0000000002010000-0x0000000002084000-memory.dmp
memory/4184-32-0x0000000001540000-0x0000000001541000-memory.dmp
memory/4184-34-0x0000000020000000-0x0000000020027000-memory.dmp