Analysis Overview
SHA256
5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e
Threat Level: Known bad
The file 5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e was found to be: Known bad.
Malicious Activity Summary
Detect PurpleFox Rootkit
Gh0st RAT payload
Gh0strat
PurpleFox
Blocklisted process makes network request
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-08-28 17:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-28 17:09
Reported
2023-08-28 17:12
Platform
win7-20230712-en
Max time kernel
135s
Max time network
147s
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
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1880 wrote to memory of 2464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e.dll,#1
Network
| Country | Destination | Domain | Proto |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp |
Files
memory/2464-0-0x0000000002000000-0x0000000002192000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-28 17:09
Reported
2023-08-28 17:12
Platform
win10v2004-20230703-en
Max time kernel
143s
Max time network
157s
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
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4924 wrote to memory of 4140 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4924 wrote to memory of 4140 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4924 wrote to memory of 4140 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c98bc48d85d18493fedbb3e8f0763c4e51fe2f42686788cd8d7235fd9d3757e.dll,#1
Network
| Country | Destination | Domain | Proto |
| HK | 208.87.201.227:8090 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| HK | 208.87.201.227:8090 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| HK | 208.87.201.227:8090 | tcp | |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| HK | 208.87.201.227:8090 | tcp | |
| US | 8.8.8.8:53 | 233.141.123.20.in-addr.arpa | udp |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| HK | 208.87.201.227:8090 | tcp | |
| US | 8.8.8.8:53 | 67.112.168.52.in-addr.arpa | udp |
Files
memory/4140-0-0x0000000002AD0000-0x0000000002C62000-memory.dmp