Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
11/11/2024, 19:57
General
- Target 96a4a5bf18944fbeb61705fa45cf0779a942252b248df6b82c1735e4dfcbb67d.exe
- Size 1.2MB
- Sample241111-yparcsvgkh
- SHA256 96a4a5bf18944fbeb61705fa45cf0779a942252b248df6b82c1735e4dfcbb67d
Malware Config
Signatures
- Detect PurpleFox Rootkit 9 IoCs
Detect PurpleFox Rootkit.
- 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
- PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
- Purplefox family
- Drops file in Drivers directory 1 IoCs
- Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
- Sets service image path in registry 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 3 IoCs
- VMProtect packed file 10 IoCs
Detects executables packed with VMProtect commercial packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 6 IoCs
- UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Modifies registry class 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\96a4a5bf18944fbeb61705fa45cf0779a942252b248df6b82c1735e4dfcbb67d.exe"C:\Users\Admin\AppData\Local\Temp\96a4a5bf18944fbeb61705fa45cf0779a942252b248df6b82c1735e4dfcbb67d.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\AK47.exe"C:\Users\Admin\AppData\Local\Temp\AK47.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\AK74.exeC:\Users\Admin\AppData\Local\Temp\\AK74.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\AK74.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
-
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240632796.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
AK47.exe
AK74.exe
Config.ini
VBS3.vbs
svchcst.exe
240632796.txt
Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
memory/2216-61-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/2216-60-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/2216-56-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/2216-54-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/2216-47-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/2216-55-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/3884-72-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-79-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-88-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-85-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-82-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-1-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-75-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-69-0x0000000000400000-0x0000000000760000-memory.dmp
memory/3884-0-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4992-30-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/4992-31-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/4992-28-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/5116-36-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/5116-38-0x0000000010000000-0x00000000101BA000-memory.dmp
memory/5116-39-0x0000000010000000-0x00000000101BA000-memory.dmp