Analysis Overview
SHA256
5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d
Threat Level: Known bad
The file 5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d was found to be: Known bad.
Malicious Activity Summary
Nanocore family
NanoCore
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-25 23:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-25 23:07
Reported
2025-01-25 23:09
Platform
win7-20240903-en
Max time kernel
149s
Max time network
122s
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\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.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 2688 set thread context of 2556 | 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\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.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\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.exe
"C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.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/1224-0-0x0000000074381000-0x0000000074382000-memory.dmp
memory/1224-2-0x0000000074380000-0x000000007492B000-memory.dmp
memory/1224-1-0x0000000074380000-0x000000007492B000-memory.dmp
memory/1224-3-0x0000000074380000-0x000000007492B000-memory.dmp
memory/1224-4-0x0000000074380000-0x000000007492B000-memory.dmp
memory/1224-5-0x0000000074380000-0x000000007492B000-memory.dmp
memory/1224-6-0x0000000074380000-0x000000007492B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 6c72e2553b08dd26454d183e492b4817 |
| SHA1 | 72adee03664fd54cf1a883e2a69bc84c79046a11 |
| SHA256 | d66af870c6805000b57b3c97de6124e850bc7beea960d53f211374618aeb231d |
| SHA512 | ceefb5f85055a0a564535273e4b9f16894c6dd16d5b410942d28fda5991d56c341ef632bf12bb53789bd1647aaf485896b7da453a32f8bf900a1b697b14fe372 |
memory/1224-16-0x0000000074380000-0x000000007492B000-memory.dmp
memory/2688-15-0x0000000074380000-0x000000007492B000-memory.dmp
memory/2688-17-0x0000000074380000-0x000000007492B000-memory.dmp
memory/2688-18-0x0000000074380000-0x000000007492B000-memory.dmp
memory/2688-19-0x0000000074380000-0x000000007492B000-memory.dmp
memory/2556-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-35-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-36-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2556-29-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2556-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2688-38-0x0000000074380000-0x000000007492B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-25 23:07
Reported
2025-01-25 23:09
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
148s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.exe | N/A |
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\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.exe
"C:\Users\Admin\AppData\Local\Temp\5367a32045767b8af7e9bdcb26ce5589be82f4df2bae6c54c8f632fbbd48e51d.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/1340-0-0x0000000075452000-0x0000000075453000-memory.dmp
memory/1340-1-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/1340-2-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/1340-3-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/1340-4-0x0000000075452000-0x0000000075453000-memory.dmp
memory/1340-5-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/1340-6-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/1340-7-0x0000000075450000-0x0000000075A01000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 8975aa6d85b1ea3ed0d3c9230510d443 |
| SHA1 | 742bdfb8c12daeeb0cd49e6b36a730da3c2a8c46 |
| SHA256 | d4116a46db952f8eb31c87de7ef5856fc43bface47c59ed103ec6a48029ee0c3 |
| SHA512 | d0aeb7ba6bfe8ad271257cf3eddb5fd7e440fd3ceede73ad902ef21f53148dd80e7b2adfd173c32404667f97f58f863354be39f99b3faf9dbe2678ba242e228e |
memory/1340-21-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-22-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-23-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-24-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-25-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-26-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-27-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2976-29-0x0000000075450000-0x0000000075A01000-memory.dmp