Analysis Overview
SHA256
a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e
Threat Level: Known bad
The file a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e was found to be: Known bad.
Malicious Activity Summary
PurpleFox
Detect PurpleFox Rootkit
Gh0st RAT payload
Gh0strat
Sets service image path in registry
Drops file in Drivers directory
Executes dropped EXE
Deletes itself
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-22 23:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-22 23:49
Reported
2023-08-22 23:52
Platform
win7-20230712-en
Max time kernel
149s
Max time network
154s
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
PurpleFox
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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
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\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.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\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe
"C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.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\A4BAD7~1.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 |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
Files
memory/2636-53-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 77067942cb7b5515dada10fcba8a34ac |
| SHA1 | 580b6cc3a37bd19081ffe8885dbc5613fb74a24f |
| SHA256 | a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e |
| SHA512 | 08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6 |
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 77067942cb7b5515dada10fcba8a34ac |
| SHA1 | 580b6cc3a37bd19081ffe8885dbc5613fb74a24f |
| SHA256 | a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e |
| SHA512 | 08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6 |
memory/2584-70-0x0000000010000000-0x000000001019F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-22 23:49
Reported
2023-08-22 23:52
Platform
win10v2004-20230703-en
Max time kernel
149s
Max time network
155s
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
PurpleFox
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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe | N/A |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
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\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.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\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe
"C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.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\A4BAD7~1.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 |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 126.154.241.8.in-addr.arpa | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 73.254.224.20.in-addr.arpa | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 252.15.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:43879 | 6x514937w5.goho.co | tcp |
Files
memory/2812-133-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 77067942cb7b5515dada10fcba8a34ac |
| SHA1 | 580b6cc3a37bd19081ffe8885dbc5613fb74a24f |
| SHA256 | a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e |
| SHA512 | 08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6 |
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 77067942cb7b5515dada10fcba8a34ac |
| SHA1 | 580b6cc3a37bd19081ffe8885dbc5613fb74a24f |
| SHA256 | a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e |
| SHA512 | 08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6 |
memory/2212-143-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 77067942cb7b5515dada10fcba8a34ac |
| SHA1 | 580b6cc3a37bd19081ffe8885dbc5613fb74a24f |
| SHA256 | a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e |
| SHA512 | 08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6 |