Analysis Overview
SHA256
5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239b
Threat Level: Known bad
The file 5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN was found to be: Known bad.
Malicious Activity Summary
Modifies firewall policy service
Adds policy Run key to start application
Sets service image path in registry
Adds Run key to start application
Enumerates connected drives
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Modifies registry class
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 12:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 12:44
Reported
2024-11-11 12:47
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe = "c:\\users\\admin\\appdata\\local\\temp\\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe:*:Enabled:SMPN" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wservices\ImagePath = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Enumerates connected drives
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | \??\c:\windows\SysWOW64\regedit.exe | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Drops file in Windows directory
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "159" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe
"C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/4432-0-0x0000000000400000-0x0000000000421000-memory.dmp
C:\Windows\msrpc.exe
| MD5 | 3d7392f76cc32c515715ee39605d59e1 |
| SHA1 | c8807f4a744959f80718ff9ba6a6d0468220f72b |
| SHA256 | 7e782400d26a7cb395b6a862f4c2fd9cb634bec337f9f5579704c83cf3fef333 |
| SHA512 | 23e4699d9d40cc16473b352d92a489c5509d4e72aee4c674d58a88990d669d7a4814ef731b478a583a3c91aad3d451670df34d548e77a76342dea1fef6d2f38a |
memory/4432-17-0x0000000000400000-0x0000000000421000-memory.dmp
memory/4432-18-0x0000000000400000-0x0000000000421000-memory.dmp
memory/4432-19-0x0000000000400000-0x0000000000421000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 12:44
Reported
2024-11-11 12:47
Platform
win7-20241010-en
Max time kernel
141s
Max time network
19s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe = "c:\\users\\admin\\appdata\\local\\temp\\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe:*:Enabled:SMPN" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wservices\ImagePath = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\wservices = "c:\\windows\\wservices.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Enumerates connected drives
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | \??\c:\windows\SysWOW64\regedit.exe | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Drops file in Windows directory
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bn.exe" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "159" | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe
"C:\Users\Admin\AppData\Local\Temp\5c3a5108cb13a9cf6aee2ce4962c780e431eb3be5f776fd57992b2e4305c239bN.exe"
Network
Files
memory/2060-0-0x0000000000400000-0x0000000000421000-memory.dmp
C:\Windows\msrpc.exe
| MD5 | b3b350729d61cc67f874eb5e87fa8d0d |
| SHA1 | 3b3346e3f236278709c99b9253326b8946fbb297 |
| SHA256 | 7d1151b9f49db0b091514cbfdbf003980bae6167eb4c86512ac3be55b853736d |
| SHA512 | 375a6272b9835716535c4792f7788a58eb620d315df9117e0e8088a676c8593a022ccc447f5e9ee05b96979796433e749f3d53b7927e9c9fb6102e8990813f7b |
memory/2060-17-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2060-18-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2060-19-0x0000000000400000-0x0000000000421000-memory.dmp