Analysis Overview
SHA256
a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343
Threat Level: Known bad
The file a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Nanocore family
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-12 11:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 11:17
Reported
2024-11-12 11:19
Platform
win7-20240903-en
Max time kernel
111s
Max time network
115s
Command Line
Signatures
NanoCore
Nanocore family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe" | C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2948 set thread context of 2828 | N/A | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe |
Enumerates physical storage devices
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\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe
"C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe"
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
Network
| Country | Destination | Domain | Proto |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp |
Files
memory/2552-0-0x000000007477E000-0x000000007477F000-memory.dmp
memory/2552-1-0x0000000001200000-0x000000000126E000-memory.dmp
memory/2552-2-0x0000000074770000-0x0000000074E5E000-memory.dmp
memory/2552-3-0x0000000001050000-0x000000000108C000-memory.dmp
\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
| MD5 | 057ab368b7f4db0895789498ddda3b1f |
| SHA1 | 5ea62881bea35ace7d8b59c501ee6544d269c353 |
| SHA256 | 55d7840c9803df02eeeada1a8923cdecbf5b32e2bf4c1f000ec2589570d229f1 |
| SHA512 | 3a60684acfa15371c308cacfd1c1dbc2739a9405e7c3cac31e6f76fab9a439398a8acdcca2d28e7f82df5f13c5f4a0a391ca445e587cc7b51b3a70fb19f92530 |
memory/2552-12-0x0000000074770000-0x0000000074E5E000-memory.dmp
memory/2948-13-0x0000000074770000-0x0000000074E5E000-memory.dmp
memory/2948-14-0x0000000000200000-0x000000000026E000-memory.dmp
memory/2948-15-0x0000000074770000-0x0000000074E5E000-memory.dmp
memory/2828-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2828-30-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-32-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2828-34-0x00000000003F0000-0x00000000003FA000-memory.dmp
memory/2828-35-0x00000000004E0000-0x00000000004FE000-memory.dmp
memory/2828-36-0x0000000000500000-0x000000000050A000-memory.dmp
memory/2948-37-0x0000000074770000-0x0000000074E5E000-memory.dmp
memory/2948-38-0x0000000074770000-0x0000000074E5E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 11:17
Reported
2024-11-12 11:19
Platform
win10v2004-20241007-en
Max time kernel
114s
Max time network
118s
Command Line
Signatures
NanoCore
Nanocore family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe" | C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 32 set thread context of 3352 | N/A | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe |
Enumerates physical storage devices
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\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe
"C:\Users\Admin\AppData\Local\Temp\a634052144ca4c55b40b8a317b87b96ee607247fabc2be5147b4366f68736343.exe"
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| FR | 178.32.224.116:46218 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| FR | 178.32.224.116:46218 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| FR | 178.32.224.116:46218 | tcp | |
| FR | 178.32.224.116:46218 | tcp |
Files
memory/1144-0-0x00000000745BE000-0x00000000745BF000-memory.dmp
memory/1144-1-0x0000000000BB0000-0x0000000000C1E000-memory.dmp
memory/1144-2-0x0000000005AF0000-0x0000000006094000-memory.dmp
memory/1144-3-0x0000000005620000-0x00000000056B2000-memory.dmp
memory/1144-4-0x00000000056C0000-0x00000000056CA000-memory.dmp
memory/1144-5-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/1144-6-0x00000000061A0000-0x00000000061DC000-memory.dmp
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
| MD5 | af3ab21fe1bda40d5d300ad969d09c5a |
| SHA1 | 3982e75171630e2ed5182aee503011fc2b8868c4 |
| SHA256 | 6f68587eabc87326eb73022ef3a49ac29beaccb31dafb2c1d150b79fc5dd26c3 |
| SHA512 | 3edcf493e1fb73519304a36b551d729fd4a5d206e40238ba165f2298804bdae58c32205a19d52ceba8b92a76d1e06954c6e41b7df1c12137d9c7582e678f5dbf |
memory/1144-20-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/32-21-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/32-22-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3352-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3352-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3352-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3352-27-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3352-28-0x0000000005110000-0x00000000051AC000-memory.dmp
memory/3352-30-0x0000000005230000-0x000000000523A000-memory.dmp
memory/3352-31-0x0000000005240000-0x000000000525E000-memory.dmp
memory/3352-32-0x0000000005FA0000-0x0000000005FAA000-memory.dmp
memory/32-33-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/32-35-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3352-36-0x00000000745B0000-0x0000000074D60000-memory.dmp