Analysis Overview
SHA256
389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1
Threat Level: Known bad
The file 389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1 was found to be: Known bad.
Malicious Activity Summary
Gh0strat
PurpleFox
Gh0st RAT payload
Detect PurpleFox Rootkit
Sets service image path in registry
Drops file in Drivers directory
Executes dropped EXE
Loads dropped DLL
Deletes itself
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Runs ping.exe
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-01 10:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 10:34
Reported
2024-06-01 10:36
Platform
win7-20240508-en
Max time kernel
145s
Max time network
149s
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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| 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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.exe
"C:\Users\Admin\AppData\Local\Temp\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389FCE~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 | lincan1227.b1.luyouxia.net | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
Files
memory/2008-0-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 7c2f7f2fa3082667282a1545397ed761 |
| SHA1 | 81e744fc1c0757b6e53b3c9535565144612d6a9b |
| SHA256 | 389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1 |
| SHA512 | 24fa3a9d732d1e53ac2be5e9b4c34a4c9a0fee969d37ee737d0155a9dbfaae8ed88dd79a5abbc7ad5ef9ada1ce5e689088c312e0da8a6b01a93437802e875a09 |
memory/2700-18-0x0000000010000000-0x000000001019F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 10:34
Reported
2024-06-01 10:36
Platform
win10v2004-20240508-en
Max time kernel
145s
Max time network
149s
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 |
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 |
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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.exe | N/A |
| File created | C:\Windows\SysWOW64\sainbox.exe | C:\Users\Admin\AppData\Local\Temp\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.exe
"C:\Users\Admin\AppData\Local\Temp\389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1.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\389FCE~1.EXE > nul
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lincan1227.b1.luyouxia.net | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
| CN | 123.99.198.201:40010 | lincan1227.b1.luyouxia.net | tcp |
Files
memory/760-0-0x0000000010000000-0x000000001019F000-memory.dmp
C:\Windows\SysWOW64\sainbox.exe
| MD5 | 7c2f7f2fa3082667282a1545397ed761 |
| SHA1 | 81e744fc1c0757b6e53b3c9535565144612d6a9b |
| SHA256 | 389fcefd5ec9ac7266838c79070efd3ddfcbb6119f5727c31338b5d117b8bdf1 |
| SHA512 | 24fa3a9d732d1e53ac2be5e9b4c34a4c9a0fee969d37ee737d0155a9dbfaae8ed88dd79a5abbc7ad5ef9ada1ce5e689088c312e0da8a6b01a93437802e875a09 |
memory/4940-10-0x0000000010000000-0x000000001019F000-memory.dmp
memory/4928-17-0x0000000010000000-0x000000001019F000-memory.dmp