Analysis Overview
SHA256
e46f2ba9a9263646b8efb81747e0cf5fd1f41a4b2cf1ce6e41982530bc586a71
Threat Level: Known bad
The file 502ef40f2a0aec3170e2c18ea62aba30N.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Drops startup file
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of FindShellTrayWindow
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-07 02:47
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-07 02:47
Reported
2024-08-07 02:49
Platform
win7-20240708-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
NanoCore
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PasswordOnWakeSettingFlyout.url | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3060 set thread context of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\UDP Service\udpsv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Program Files (x86)\UDP Service\udpsv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
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\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe
"C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB0E8.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB146.tmp"
Network
| Country | Destination | Domain | Proto |
| NL | 213.184.126.143:1993 | tcp | |
| NL | 213.184.126.143:1993 | tcp | |
| NL | 213.184.126.143:1993 | tcp | |
| NL | 213.184.126.143:1993 | tcp |
Files
memory/3060-0-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/2996-1-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2996-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2996-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2996-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2996-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2996-10-0x00000000745D2000-0x00000000745D4000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB0E8.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
C:\Users\Admin\AppData\Local\Temp\tmpB146.tmp
| MD5 | 0a24db62cb5b84309c4803346caaa25d |
| SHA1 | 67660778f61bb44168c33ed3fe56ed86cf9583e8 |
| SHA256 | 38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df |
| SHA512 | d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548 |
memory/2996-21-0x00000000745D2000-0x00000000745D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-07 02:47
Reported
2024-08-07 02:49
Platform
win10v2004-20240802-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
NanoCore
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PasswordOnWakeSettingFlyout.url | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DNS Manager = "C:\\Program Files (x86)\\DNS Manager\\dnsmgr.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 744 set thread context of 1424 | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DNS Manager\dnsmgr.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DNS Manager\dnsmgr.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe
"C:\Users\Admin\AppData\Local\Temp\502ef40f2a0aec3170e2c18ea62aba30N.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBFA2.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DNS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC000.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| NL | 213.184.126.143:1993 | tcp | |
| US | 52.111.227.13:443 | tcp | |
| NL | 213.184.126.143:1993 | tcp | |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| NL | 213.184.126.143:1993 | tcp | |
| NL | 213.184.126.143:1993 | tcp |
Files
memory/744-0-0x0000000001530000-0x0000000001531000-memory.dmp
memory/1424-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1424-6-0x0000000073BB2000-0x0000000073BB3000-memory.dmp
memory/1424-7-0x0000000073BB0000-0x0000000074161000-memory.dmp
memory/1424-8-0x0000000073BB0000-0x0000000074161000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBFA2.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
C:\Users\Admin\AppData\Local\Temp\tmpC000.tmp
| MD5 | bf0287a4e4ec6b543e5f2c020d4f88b2 |
| SHA1 | da151b3e3f382ec107053e487b08035616db2694 |
| SHA256 | ef704c92466ea7f43c33880380c3fbc8bee8d8ce7a041abefb23fd610baff13c |
| SHA512 | 94c9b8f53120a0024031996a91ee54de0a791e49e45a9e2c6e56c51a363b3b3cac206f19b84861a21054bcd3ee8031ab684596502a126fea47352474a4ecd8be |
memory/1424-19-0x0000000073BB2000-0x0000000073BB3000-memory.dmp
memory/1424-20-0x0000000073BB0000-0x0000000074161000-memory.dmp