Analysis Overview
SHA256
d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54
Threat Level: Known bad
The file d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54 was found to be: Known bad.
Malicious Activity Summary
Detect PurpleFox Rootkit
PurpleFox
Gh0st RAT payload
Purplefox family
Gh0strat
Gh0strat family
Sets service image path in registry
Drops file in Drivers directory
Deletes itself
Loads dropped DLL
Executes dropped EXE
Enumerates connected drives
Drops file in System32 directory
System Location Discovery: System Language Discovery
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 21:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 21:10
Reported
2024-11-06 21:13
Platform
win10v2004-20241007-en
Max time kernel
121s
Max time network
145s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gh0strat
Gh0strat family
PurpleFox
Purplefox family
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\QAssist.sys | C:\Windows\SysWOW64\sainbox.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" | C:\Windows\SysWOW64\sainbox.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\sainbox.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\sainbox.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\SysWOW64\sainbox.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
"C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe"
C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\D67499~1.EXE > nul
C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -acsi
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.179.179:8085 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.179.238.206.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
Files
memory/4580-0-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 1770cf18748c082408c26e24126c269c |
| SHA1 | ebb03e48a34055833e261a5950d8f94b209930fe |
| SHA256 | d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54 |
| SHA512 | 756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f |
memory/3264-10-0x0000000010000000-0x000000001019F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 21:10
Reported
2024-11-06 21:13
Platform
win7-20240729-en
Max time kernel
120s
Max time network
144s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gh0strat
Gh0strat family
PurpleFox
Purplefox family
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\QAssist.sys | C:\Windows\SysWOW64\sainbox.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" | C:\Windows\SysWOW64\sainbox.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\sainbox.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\sainbox.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\sainbox.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\sainbox.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: 33 | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
"C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe"
C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -acsi
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\D67499~1.EXE > nul
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.179.179:8085 | tcp |
Files
memory/2308-0-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 1770cf18748c082408c26e24126c269c |
| SHA1 | ebb03e48a34055833e261a5950d8f94b209930fe |
| SHA256 | d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54 |
| SHA512 | 756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f |
memory/2848-18-0x0000000010000000-0x000000001019F000-memory.dmp