Analysis Overview
SHA256
4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa
Threat Level: Known bad
The file 4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin was found to be: Known bad.
Malicious Activity Summary
Phorphiex Payload
Phorphiex Worm
Windows security bypass
Phorphiex family
Executes dropped EXE
Windows security modification
Adds Run key to start application
Drops file in Windows directory
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-12-23 16:11
Signatures
Phorphiex Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Phorphiex family
Analysis: behavioral1
Detonation Overview
Submitted
2021-12-21 11:54
Reported
2021-12-21 11:57
Platform
win7-en-20211208
Max time kernel
154s
Max time network
159s
Command Line
Signatures
Phorphiex Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Phorphiex Worm
Windows security bypass
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\drvmngrsv.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\drvmngrsv.exe" | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\drvmngrsv.exe | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
| File opened for modification | C:\Windows\drvmngrsv.exe | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1180 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
| PID 1180 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
| PID 1180 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
| PID 1180 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe
"C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe"
C:\Windows\drvmngrsv.exe
C:\Windows\drvmngrsv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 52.137.90.34:80 | www.update.microsoft.com | tcp |
| CN | 42.248.182.247:40500 | tcp | |
| N/A | 10.231.50.30:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 2.182.22.87:40500 | udp | |
| RU | 37.113.146.57:40500 | udp | |
| SY | 95.212.125.43:40500 | udp | |
| AO | 41.70.179.199:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 2.190.39.174:40500 | tcp | |
| SY | 90.153.151.134:40500 | udp | |
| SC | 185.215.113.84:80 | 185.215.113.84 | tcp |
| RU | 212.75.132.150:40500 | udp | |
| CN | 42.248.182.244:40500 | udp | |
| N/A | 10.231.50.30:40500 | tcp | |
| IR | 2.191.113.74:40500 | udp | |
| CN | 42.248.182.247:40500 | udp | |
| YE | 134.35.172.21:40500 | udp | |
| N/A | 10.240.180.69:40500 | udp | |
| RU | 95.72.89.221:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 2.187.89.24:40500 | tcp | |
| MX | 189.242.59.4:40500 | udp | |
| UZ | 80.80.218.116:40500 | udp | |
| N/A | 10.230.41.131:40500 | udp | |
| IR | 2.190.39.174:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| CI | 41.189.49.104:40500 | udp | |
| AO | 154.71.236.54:40500 | tcp | |
| SC | 185.215.113.84:80 | tcp | |
| RU | 45.182.189.217:40500 | udp | |
| N/A | 10.230.13.29:40500 | udp | |
| SC | 185.215.113.84:80 | 185.215.113.84 | tcp |
| BO | 181.177.171.94:40500 | udp | |
| SY | 90.153.151.134:40500 | tcp | |
| YE | 213.246.29.141:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 46.225.101.150:40500 | udp |
Files
memory/1180-55-0x0000000075831000-0x0000000075833000-memory.dmp
memory/1796-56-0x0000000000000000-mapping.dmp
C:\Windows\drvmngrsv.exe
| MD5 | 0a49900b4492f43b68331af062731f33 |
| SHA1 | 95adde1482efa92c0907917c8716cd337f008d7e |
| SHA256 | 4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa |
| SHA512 | 5d7328a6e4e573c67dd829aafeccefbf84543b2c3fc7d3d9ace9bab026c66a6c78c913436ebd7ea315b5af636c40a6c7d6650b5bef5aabd694bc9c83eee8aa53 |
C:\Windows\drvmngrsv.exe
| MD5 | 0a49900b4492f43b68331af062731f33 |
| SHA1 | 95adde1482efa92c0907917c8716cd337f008d7e |
| SHA256 | 4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa |
| SHA512 | 5d7328a6e4e573c67dd829aafeccefbf84543b2c3fc7d3d9ace9bab026c66a6c78c913436ebd7ea315b5af636c40a6c7d6650b5bef5aabd694bc9c83eee8aa53 |
Analysis: behavioral2
Detonation Overview
Submitted
2021-12-21 11:54
Reported
2021-12-21 11:57
Platform
win10-en-20211208
Max time kernel
170s
Max time network
176s
Command Line
Signatures
Phorphiex Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Phorphiex Worm
Windows security bypass
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\drvmngrsv.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\drvmngrsv.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\drvmngrsv.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\drvmngrsv.exe" | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\drvmngrsv.exe | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
| File opened for modification | C:\Windows\drvmngrsv.exe | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3704 wrote to memory of 2304 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
| PID 3704 wrote to memory of 2304 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
| PID 3704 wrote to memory of 2304 | N/A | C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe | C:\Windows\drvmngrsv.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe
"C:\Users\Admin\AppData\Local\Temp\4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa.bin.exe"
C:\Windows\drvmngrsv.exe
C:\Windows\drvmngrsv.exe
Network
| Country | Destination | Domain | Proto |
| US | 52.109.12.20:443 | tcp | |
| US | 8.8.8.8:53 | time.windows.com | udp |
| NL | 20.101.57.9:123 | time.windows.com | udp |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 52.137.90.34:80 | www.update.microsoft.com | tcp |
| CN | 42.248.182.244:40500 | udp | |
| UZ | 80.80.218.116:40500 | tcp | |
| SC | 185.215.113.84:80 | tcp | |
| CI | 41.189.49.104:40500 | udp | |
| IR | 151.240.157.246:40500 | udp | |
| YE | 110.238.35.22:40500 | udp | |
| RU | 95.72.89.221:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 2.187.89.24:40500 | udp | |
| IR | 5.236.18.243:40500 | tcp | |
| IR | 5.233.58.232:40500 | udp | |
| AO | 154.71.236.54:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| RU | 212.75.132.150:40500 | udp | |
| IR | 31.58.80.15:40500 | udp | |
| SY | 82.137.243.97:40500 | tcp | |
| YE | 178.130.75.148:40500 | udp | |
| IR | 2.190.39.174:40500 | udp | |
| RU | 45.182.189.217:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| UZ | 213.230.126.103:40500 | udp | |
| IR | 2.187.89.24:40500 | tcp | |
| IR | 2.176.241.167:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| N/A | 10.230.41.131:40500 | udp | |
| SY | 90.153.151.132:40500 | udp | |
| IR | 2.180.236.70:40500 | tcp | |
| SY | 95.212.125.43:40500 | udp | |
| IR | 151.245.48.156:40500 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| YE | 81.91.26.24:40500 | udp | |
| IR | 2.182.22.87:40500 | udp | |
| IR | 2.180.236.70:40500 | udp | |
| IR | 2.187.89.24:40500 | tcp | |
| SY | 90.153.151.134:40500 | udp |
Files
memory/2304-115-0x0000000000000000-mapping.dmp
C:\Windows\drvmngrsv.exe
| MD5 | 0a49900b4492f43b68331af062731f33 |
| SHA1 | 95adde1482efa92c0907917c8716cd337f008d7e |
| SHA256 | 4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa |
| SHA512 | 5d7328a6e4e573c67dd829aafeccefbf84543b2c3fc7d3d9ace9bab026c66a6c78c913436ebd7ea315b5af636c40a6c7d6650b5bef5aabd694bc9c83eee8aa53 |
C:\Windows\drvmngrsv.exe
| MD5 | 0a49900b4492f43b68331af062731f33 |
| SHA1 | 95adde1482efa92c0907917c8716cd337f008d7e |
| SHA256 | 4151d9af5a104eea9106b18d35102f3b11134d7ba598e1fd57580a932d4596fa |
| SHA512 | 5d7328a6e4e573c67dd829aafeccefbf84543b2c3fc7d3d9ace9bab026c66a6c78c913436ebd7ea315b5af636c40a6c7d6650b5bef5aabd694bc9c83eee8aa53 |