Analysis Overview
SHA256
dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
Threat Level: Known bad
The file dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a was found to be: Known bad.
Malicious Activity Summary
Gh0st RAT payload
PurpleFox
Detect PurpleFox Rootkit
Gh0strat
Sets service image path in registry
Drops file in Drivers directory
Executes dropped EXE
Deletes itself
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-23 00:37
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-23 00:37
Reported
2023-08-23 00:40
Platform
win7-20230712-en
Max time kernel
149s
Max time network
153s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sainbox.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe
"C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\DC22B1~1.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 | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
Files
memory/2616-54-0x0000000000400000-0x0000000000547000-memory.dmp
memory/2616-55-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2580-64-0x0000000000400000-0x0000000000547000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2580-74-0x00000000011F0000-0x0000000001337000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2800-76-0x0000000000400000-0x0000000000547000-memory.dmp
\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2616-71-0x0000000000400000-0x0000000000547000-memory.dmp
memory/2580-83-0x0000000000400000-0x0000000000547000-memory.dmp
memory/2800-93-0x0000000000400000-0x0000000000547000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-23 00:37
Reported
2023-08-23 00:40
Platform
win10v2004-20230703-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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe
"C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.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\DC22B1~1.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 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 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 |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6x514937w5.goho.co | udp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
| CN | 115.236.153.172:56019 | 6x514937w5.goho.co | tcp |
Files
memory/1316-133-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1316-134-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2044-144-0x0000000010000000-0x000000001019F000-memory.dmp
memory/1316-150-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1704-152-0x0000000000400000-0x0000000000547000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | aa18d9b3660a8a907c2c2de4d4063db2 |
| SHA1 | d208fd390f9f467b757c0e464022bf6a7ed866ea |
| SHA256 | dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a |
| SHA512 | 723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905 |
memory/2044-153-0x0000000000400000-0x0000000000547000-memory.dmp
memory/1704-169-0x0000000000400000-0x0000000000547000-memory.dmp