Analysis Overview
SHA256
eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71
Threat Level: Known bad
The file eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Nanocore family
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-12 21:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 21:13
Reported
2024-11-12 21:16
Platform
win7-20241010-en
Max time kernel
120s
Max time network
37s
Command Line
Signatures
NanoCore
Nanocore family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.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\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.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:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2788 set thread context of 2136 | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.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\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe
"C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sysupdate24.ddns.net | udp |
Files
memory/1656-0-0x00000000747D1000-0x00000000747D2000-memory.dmp
memory/1656-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-3-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-4-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-5-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-6-0x00000000747D0000-0x0000000074D7B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 83ed20600b4807c8f2578f3e3eb57cbc |
| SHA1 | 4a114308fcaf27de33dac80092ebccee007e184e |
| SHA256 | d7285afd3c0e25d006d7a83543f5b20aeb02312537f0a2cf0f1fa191b531b0e9 |
| SHA512 | 83b4090171b991b19f49f83d71bad310f659f017e25a3749a8238f24f3b7fb2385a3873505f285b1a9aa4179a8f2aa06841af5a43a3093ebca67ea55353512ea |
memory/2788-15-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-17-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1656-16-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-18-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-19-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-20-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-21-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2788-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2136-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-31-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-42-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-40-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2136-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2136-34-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2788-44-0x00000000747D0000-0x0000000074D7B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 21:13
Reported
2024-11-12 21:16
Platform
win10v2004-20241007-en
Max time kernel
117s
Max time network
95s
Command Line
Signatures
NanoCore
Nanocore family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.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:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3604 set thread context of 4296 | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.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\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe
"C:\Users\Admin\AppData\Local\Temp\eff7e3afe08f3fec6b6eaada8a576480c3456a3dbbc23e5c1a372a1018d7ff71N.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sysupdate24.ddns.net | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.209.201.84.in-addr.arpa | udp |
Files
memory/3372-0-0x0000000074932000-0x0000000074933000-memory.dmp
memory/3372-1-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-2-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-3-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-4-0x0000000074932000-0x0000000074933000-memory.dmp
memory/3372-5-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-6-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-7-0x0000000074930000-0x0000000074EE1000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 76376c2deca85f7f83c1a66f911fe1f5 |
| SHA1 | badcad2bfcd25393ae0fb309ea830e1c4f80ff21 |
| SHA256 | dd2452079a8f3bb06d357a1b48e722745c8f9e6a0da9654e6e39f2cf8e42718a |
| SHA512 | 4a0ebeabf441b972d212bd0a5511956689d47c921920026f742df75caae0f052c636d6868299abb596fb57fe01a562c40500d2527f6a33d076abc86ceffa3564 |
memory/3604-22-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-23-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-24-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3372-21-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-25-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-26-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-27-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-30-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4296-29-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4296-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4296-33-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-34-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-35-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-37-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-38-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-39-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/3604-41-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-42-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4296-43-0x0000000074930000-0x0000000074EE1000-memory.dmp