Analysis Overview
SHA256
7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506
Threat Level: Known bad
The file 7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin was found to be: Known bad.
Malicious Activity Summary
Phorphiex Worm
Windows security bypass
Phorphiex Payload
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
157s
Max time network
155s
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\wedrvcsvc.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\wedrvcsvc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\wedrvcsvc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Update Service = "C:\\Windows\\wedrvcsvc.exe" | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\wedrvcsvc.exe | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | N/A |
| File opened for modification | C:\Windows\wedrvcsvc.exe | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1448 wrote to memory of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | C:\Windows\wedrvcsvc.exe |
| PID 1448 wrote to memory of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | C:\Windows\wedrvcsvc.exe |
| PID 1448 wrote to memory of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | C:\Windows\wedrvcsvc.exe |
| PID 1448 wrote to memory of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe | C:\Windows\wedrvcsvc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe
"C:\Users\Admin\AppData\Local\Temp\7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506.bin.exe"
C:\Windows\wedrvcsvc.exe
C:\Windows\wedrvcsvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 52.185.71.28:80 | www.update.microsoft.com | tcp |
| SC | 185.215.113.84:80 | tcp | |
| IR | 46.225.113.73:40555 | udp | |
| IR | 31.57.14.89:40555 | tcp | |
| IR | 2.183.160.186:40555 | udp | |
| CN | 42.248.182.188:40555 | udp | |
| IR | 188.159.38.72:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| MX | 187.157.142.194:40555 | udp | |
| CN | 42.248.182.19:40555 | udp | |
| IR | 109.110.182.177:40555 | tcp | |
| CN | 42.248.182.151:40555 | udp | |
| IR | 31.58.25.211:40555 | udp | |
| YE | 134.35.120.179:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| MY | 115.132.27.134:40555 | udp | |
| IR | 77.237.177.92:40555 | udp | |
| IR | 80.210.39.46:40555 | tcp | |
| IR | 91.185.143.225:40555 | udp | |
| IR | 37.255.183.75:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| RU | 188.234.8.175:40555 | udp | |
| UZ | 89.236.226.162:40555 | udp | |
| CN | 42.248.182.158:40555 | udp | |
| CN | 42.248.183.113:40555 | tcp | |
| KZ | 147.30.18.211:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| PK | 39.57.16.134:40555 | udp | |
| UZ | 87.237.233.213:40555 | udp | |
| IR | 5.235.64.192:40555 | udp | |
| IR | 151.234.129.83:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| UZ | 213.230.90.43:40555 | tcp | |
| IR | 46.225.210.16:40555 | udp | |
| IR | 79.127.101.234:40555 | udp | |
| UZ | 217.30.162.43:40555 | udp | |
| CN | 42.248.183.18:40555 | udp | |
| SC | 185.215.113.84:80 | tcp | |
| IR | 46.224.182.0:40555 | udp | |
| CN | 42.248.182.240:40555 | tcp | |
| MX | 189.154.11.15:40555 | udp | |
| KZ | 178.90.204.204:40555 | udp |
Files
memory/1448-54-0x0000000076421000-0x0000000076423000-memory.dmp
memory/1452-55-0x0000000000000000-mapping.dmp
C:\Windows\wedrvcsvc.exe
| MD5 | 9857fb8f7630b354f482c3f6c65a3083 |
| SHA1 | 5486dc80ae1073645626f197677c1eedf4329c1f |
| SHA256 | 7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506 |
| SHA512 | c1f001548869d4f02f01141d228121c4b32d1cec133b4d7fc51fb23171bda3c437a011511b2c0d1ace43814de4b359487b85783ff76b4155e57b324ef08b2fc9 |
C:\Windows\wedrvcsvc.exe
| MD5 | 9857fb8f7630b354f482c3f6c65a3083 |
| SHA1 | 5486dc80ae1073645626f197677c1eedf4329c1f |
| SHA256 | 7356a7c98588b980302a5f2340b56f75a13bdac613f7c22b62eeb4590896e506 |
| SHA512 | c1f001548869d4f02f01141d228121c4b32d1cec133b4d7fc51fb23171bda3c437a011511b2c0d1ace43814de4b359487b85783ff76b4155e57b324ef08b2fc9 |
Analysis: behavioral2
Detonation Overview
Submitted
2021-12-21 11:54
Reported
2021-12-21 11:55
Platform
win10-en-20211208