Analysis Overview
SHA256
d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f
Threat Level: Known bad
The file 96de9c78028eaec7cd06d8e3e755ffc4.exe was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Phorphiex family
Phorphiex
Executes dropped EXE
Loads dropped DLL
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
2022-09-06 05:53
Signatures
Phorphiex family
Analysis: behavioral1
Detonation Overview
Submitted
2022-09-06 05:53
Reported
2022-09-06 05:55
Platform
win7-20220812-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Phorphiex
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\winuedrvs.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\256665331.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\170985474.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\winuedrvs.exe | N/A |
| N/A | N/A | C:\Windows\winuedrvs.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\winuedrvs.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\\winuedrvs.exe" | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\winuedrvs.exe | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
| File created | C:\Windows\winuedrvs.exe | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe
"C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe"
C:\Windows\winuedrvs.exe
C:\Windows\winuedrvs.exe
C:\Users\Admin\AppData\Local\Temp\256665331.exe
C:\Users\Admin\AppData\Local\Temp\256665331.exe
C:\Users\Admin\AppData\Local\Temp\170985474.exe
C:\Users\Admin\AppData\Local\Temp\170985474.exe
Network
| Country | Destination | Domain | Proto |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 20.72.235.82:80 | www.update.microsoft.com | tcp |
| TJ | 91.218.160.235:40500 | udp | |
| UZ | 92.38.55.211:40500 | tcp | |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| TJ | 91.231.253.104:40500 | udp | |
| MX | 187.230.73.195:40500 | udp | |
| IR | 2.185.65.140:40500 | udp | |
| US | 76.105.84.120:40500 | udp | |
| US | 69.67.151.32:40500 | tcp | |
| SY | 89.33.61.139:40500 | udp | |
| UZ | 213.230.99.119:40500 | udp | |
| UZ | 213.230.127.141:40500 | udp | |
| AO | 41.70.155.21:40500 | udp | |
| UZ | 62.209.135.143:40500 | udp | |
| MX | 187.171.66.156:40500 | tcp | |
| YE | 178.130.123.36:40500 | udp | |
| UZ | 80.80.211.63:40500 | udp | |
| IR | 5.237.240.28:40500 | udp | |
| SY | 82.137.253.28:40500 | udp | |
| IR | 2.180.66.230:40500 | udp | |
| IR | 31.59.65.248:40500 | tcp | |
| UZ | 185.248.44.188:40500 | udp | |
| IN | 45.248.160.159:40500 | udp | |
| TJ | 109.74.67.96:40500 | udp | |
| IR | 151.238.125.82:40500 | udp | |
| UZ | 217.30.170.9:40500 | udp | |
| IR | 46.100.232.252:40500 | tcp | |
| UZ | 93.170.209.221:40500 | udp |
Files
memory/1044-54-0x0000000075071000-0x0000000075073000-memory.dmp
memory/880-55-0x0000000000000000-mapping.dmp
C:\Windows\winuedrvs.exe
| MD5 | 96de9c78028eaec7cd06d8e3e755ffc4 |
| SHA1 | 612d1261bce41723b0a981c92bf9f186c9d46fe2 |
| SHA256 | d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f |
| SHA512 | 5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f |
C:\Windows\winuedrvs.exe
| MD5 | 96de9c78028eaec7cd06d8e3e755ffc4 |
| SHA1 | 612d1261bce41723b0a981c92bf9f186c9d46fe2 |
| SHA256 | d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f |
| SHA512 | 5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f |
\Users\Admin\AppData\Local\Temp\256665331.exe
| MD5 | 69171b8026f4437ea72ce1f37a22ca27 |
| SHA1 | 6f8cffe2a8bdcb4f3955816e2b524cd7847be9eb |
| SHA256 | 368c0f5e42a73e655f18a564b7e6cd53ca4ef702108c08b59f3fa819faec4655 |
| SHA512 | 66e93474c01a3cb01e17ea142f0ff07664738c5cf944b7352ef2955c2a084529884292cb8921a32207e8b78fb7ca6ae7d5ae6a8d84447d6c8a1cc38d1d9782ae |
memory/1160-60-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\256665331.exe
| MD5 | 69171b8026f4437ea72ce1f37a22ca27 |
| SHA1 | 6f8cffe2a8bdcb4f3955816e2b524cd7847be9eb |
| SHA256 | 368c0f5e42a73e655f18a564b7e6cd53ca4ef702108c08b59f3fa819faec4655 |
| SHA512 | 66e93474c01a3cb01e17ea142f0ff07664738c5cf944b7352ef2955c2a084529884292cb8921a32207e8b78fb7ca6ae7d5ae6a8d84447d6c8a1cc38d1d9782ae |
\Users\Admin\AppData\Local\Temp\170985474.exe
| MD5 | ca7b8f20e45e2e40f30cea521e1c6490 |
| SHA1 | 49e227b0a5d8bb8b37efbd2bbfd3cbeb4fbbd984 |
| SHA256 | 62a26c3f4e3e1f469e06d2d9d14da3bbe49d80363753bddf2f23862c8e91784c |
| SHA512 | 2db1a78ac144bf09825ade6be684cc381b09e3cf6a8a5eeab1b09eb57a42bd4481ec8d7974e7592638b75be1c85216485844cc080bb5b81893c6aee3addafff9 |
memory/568-64-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\170985474.exe
| MD5 | ca7b8f20e45e2e40f30cea521e1c6490 |
| SHA1 | 49e227b0a5d8bb8b37efbd2bbfd3cbeb4fbbd984 |
| SHA256 | 62a26c3f4e3e1f469e06d2d9d14da3bbe49d80363753bddf2f23862c8e91784c |
| SHA512 | 2db1a78ac144bf09825ade6be684cc381b09e3cf6a8a5eeab1b09eb57a42bd4481ec8d7974e7592638b75be1c85216485844cc080bb5b81893c6aee3addafff9 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-09-06 05:53
Reported
2022-09-06 05:55
Platform
win10v2004-20220812-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Phorphiex
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\winuedrvs.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\89464612.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\662825328.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Windows\winuedrvs.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Windows\winuedrvs.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\\winuedrvs.exe" | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\winuedrvs.exe | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
| File opened for modification | C:\Windows\winuedrvs.exe | C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe
"C:\Users\Admin\AppData\Local\Temp\96de9c78028eaec7cd06d8e3e755ffc4.exe"
C:\Windows\winuedrvs.exe
C:\Windows\winuedrvs.exe
C:\Users\Admin\AppData\Local\Temp\89464612.exe
C:\Users\Admin\AppData\Local\Temp\89464612.exe
C:\Users\Admin\AppData\Local\Temp\662825328.exe
C:\Users\Admin\AppData\Local\Temp\662825328.exe
Network
| Country | Destination | Domain | Proto |
| IE | 20.190.159.75:443 | tcp | |
| US | 67.27.154.126:80 | tcp | |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 20.72.235.82:80 | www.update.microsoft.com | tcp |
| BE | 8.238.110.126:80 | tcp | |
| RU | 185.215.113.66:80 | 185.215.113.66 | tcp |
| IR | 178.169.15.106:40500 | udp | |
| VE | 190.205.132.127:40500 | tcp | |
| IR | 2.180.0.209:40500 | udp | |
| IR | 151.245.251.150:40500 | udp | |
| US | 20.189.173.10:443 | tcp | |
| IR | 5.234.0.173:40500 | udp | |
| UZ | 94.141.68.136:40500 | udp | |
| IR | 2.185.6.8:40500 | udp | |
| VE | 201.209.133.237:40500 | tcp | |
| SY | 94.141.193.196:40500 | udp | |
| BE | 8.238.110.126:80 | tcp | |
| IR | 188.210.102.16:40500 | udp | |
| IR | 5.237.240.28:40500 | udp | |
| SY | 88.86.4.133:40500 | udp | |
| IR | 5.235.179.208:40500 | udp | |
| DZ | 105.111.1.8:40500 | tcp | |
| VE | 190.142.163.31:40500 | udp | |
| UZ | 92.38.55.211:40500 | udp | |
| AM | 46.71.73.174:40500 | udp | |
| UZ | 89.146.92.233:40500 | udp | |
| RU | 31.8.104.194:40500 | udp | |
| UZ | 91.231.57.44:40500 | tcp | |
| IR | 80.210.171.1:40500 | udp | |
| TJ | 185.177.0.183:40500 | udp | |
| UZ | 217.30.168.27:40500 | udp | |
| UZ | 87.237.234.124:40500 | udp | |
| US | 69.67.151.113:40500 | udp | |
| YE | 46.35.85.71:40500 | tcp | |
| YE | 134.35.228.137:40500 | udp | |
| IN | 112.196.110.74:40500 | udp | |
| IR | 2.185.152.73:40500 | udp | |
| MZ | 197.218.142.20:40500 | udp |
Files
memory/1380-132-0x0000000000000000-mapping.dmp
C:\Windows\winuedrvs.exe
| MD5 | 96de9c78028eaec7cd06d8e3e755ffc4 |
| SHA1 | 612d1261bce41723b0a981c92bf9f186c9d46fe2 |
| SHA256 | d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f |
| SHA512 | 5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f |
C:\Windows\winuedrvs.exe
| MD5 | 96de9c78028eaec7cd06d8e3e755ffc4 |
| SHA1 | 612d1261bce41723b0a981c92bf9f186c9d46fe2 |
| SHA256 | d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f |
| SHA512 | 5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f |
memory/4080-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\89464612.exe
| MD5 | 69171b8026f4437ea72ce1f37a22ca27 |
| SHA1 | 6f8cffe2a8bdcb4f3955816e2b524cd7847be9eb |
| SHA256 | 368c0f5e42a73e655f18a564b7e6cd53ca4ef702108c08b59f3fa819faec4655 |
| SHA512 | 66e93474c01a3cb01e17ea142f0ff07664738c5cf944b7352ef2955c2a084529884292cb8921a32207e8b78fb7ca6ae7d5ae6a8d84447d6c8a1cc38d1d9782ae |
C:\Users\Admin\AppData\Local\Temp\89464612.exe
| MD5 | 69171b8026f4437ea72ce1f37a22ca27 |
| SHA1 | 6f8cffe2a8bdcb4f3955816e2b524cd7847be9eb |
| SHA256 | 368c0f5e42a73e655f18a564b7e6cd53ca4ef702108c08b59f3fa819faec4655 |
| SHA512 | 66e93474c01a3cb01e17ea142f0ff07664738c5cf944b7352ef2955c2a084529884292cb8921a32207e8b78fb7ca6ae7d5ae6a8d84447d6c8a1cc38d1d9782ae |
C:\Users\Admin\AppData\Local\Temp\662825328.exe
| MD5 | ca7b8f20e45e2e40f30cea521e1c6490 |
| SHA1 | 49e227b0a5d8bb8b37efbd2bbfd3cbeb4fbbd984 |
| SHA256 | 62a26c3f4e3e1f469e06d2d9d14da3bbe49d80363753bddf2f23862c8e91784c |
| SHA512 | 2db1a78ac144bf09825ade6be684cc381b09e3cf6a8a5eeab1b09eb57a42bd4481ec8d7974e7592638b75be1c85216485844cc080bb5b81893c6aee3addafff9 |
memory/4124-138-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\662825328.exe
| MD5 | ca7b8f20e45e2e40f30cea521e1c6490 |
| SHA1 | 49e227b0a5d8bb8b37efbd2bbfd3cbeb4fbbd984 |
| SHA256 | 62a26c3f4e3e1f469e06d2d9d14da3bbe49d80363753bddf2f23862c8e91784c |
| SHA512 | 2db1a78ac144bf09825ade6be684cc381b09e3cf6a8a5eeab1b09eb57a42bd4481ec8d7974e7592638b75be1c85216485844cc080bb5b81893c6aee3addafff9 |