Analysis Overview
SHA256
acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b
Threat Level: Known bad
The file acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe was found to be: Known bad.
Malicious Activity Summary
Detect PurpleFox Rootkit
PurpleFox
Gh0st RAT payload
Gh0strat
Drops file in Drivers directory
Sets service image path in registry
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Enumerates connected drives
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Runs ping.exe
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious behavior: LoadsDriver
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 13:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 13:10
Reported
2024-06-16 13:12
Platform
win7-20240508-en
Max time kernel
145s
Max time network
148s
Command Line
Signatures
Detect PurpleFox Rootkit
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gh0st RAT payload
| Description | Indicator | Process | Target |
| 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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe | N/A |
Enumerates physical storage devices
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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe
"C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"
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\ACB615~1.EXE > nul
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp | |
| HK | 206.238.43.201:8080 | tcp |
Files
memory/2896-0-0x0000000010000000-0x000000001019F000-memory.dmp
\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
| MD5 | ee89f7922a4ccc1147e7c427c832a35a |
| SHA1 | 573708eaf5ea90720c55c54e0dba672a18bc0d32 |
| SHA256 | acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b |
| SHA512 | 3db6f6e3dffef493c7257031fa03ad2beb7630e3ab36ef11464ab3a9c67abaebc37b949b0f73cc73827f05064db48745543fc0449a69345c9fe2a5b63e837fbb |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 13:10
Reported
2024-06-16 13:12
Platform
win10v2004-20240611-en
Max time kernel
120s
Max time network
147s
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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Enumerates connected drives
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe
"C:\Users\Admin\AppData\Local\Temp\acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phija.exe"
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\ACB615~1.EXE > nul
C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.43.201:8080 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 201.43.238.206.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
Files
memory/3760-1-0x0000000010000000-0x000000001019F000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Phija.exe
| MD5 | ee89f7922a4ccc1147e7c427c832a35a |
| SHA1 | 573708eaf5ea90720c55c54e0dba672a18bc0d32 |
| SHA256 | acb615b72532d8020f1fa9afa65c44bd67caa1ec83f39f4b029287e70c344d0b |
| SHA512 | 3db6f6e3dffef493c7257031fa03ad2beb7630e3ab36ef11464ab3a9c67abaebc37b949b0f73cc73827f05064db48745543fc0449a69345c9fe2a5b63e837fbb |
memory/2568-14-0x0000000010000000-0x000000001019F000-memory.dmp