Analysis Overview
SHA256
8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339
Threat Level: Known bad
The file 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe was found to be: Known bad.
Malicious Activity Summary
Nanocore family
NanoCore
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 01:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 01:01
Reported
2024-11-13 01:03
Platform
win7-20241010-en
Max time kernel
119s
Max time network
120s
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\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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 2664 set thread context of 2740 | 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\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
"C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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/2844-0-0x0000000074A41000-0x0000000074A42000-memory.dmp
memory/2844-1-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2844-2-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2844-3-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2844-4-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2844-5-0x0000000074A40000-0x0000000074FEB000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | b1bd8be43738199c6bc362e51fa1ba3a |
| SHA1 | 23a59ed82d118d1571e68b6ef71b52d8c037aaff |
| SHA256 | a700a7ff28dff65fcc081d85071786f5f47115c643836e862e7da339831ec900 |
| SHA512 | 0d0c9ddf0ad9868adfa72439e6478b8384f2c094471ab42ca4a0943b557a10ef526d595c474914bd2dcdc08a9b8138b81065b5f72280bf875e5c150ed9a3da57 |
memory/2664-17-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2664-16-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2664-15-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2844-14-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2664-18-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2664-19-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2740-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-39-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-37-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2740-31-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2740-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-41-0x0000000074A40000-0x0000000074FEB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 01:01
Reported
2024-11-13 01:03
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
95s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
"C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/1364-0-0x0000000074952000-0x0000000074953000-memory.dmp
memory/1364-1-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/1364-2-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/1364-3-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/1364-4-0x0000000074952000-0x0000000074953000-memory.dmp
memory/1364-5-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/1364-6-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/1364-7-0x0000000074950000-0x0000000074F01000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | a63ca49a0aa4d85250d56441405f32fa |
| SHA1 | 3c0c4c8a6f35323065c4abc0b2f784cdfd40e2ff |
| SHA256 | 6f3495d70776c5a637f79740eafd8438aaffccd6bc55b5134290a922bb9a12b2 |
| SHA512 | af5ad255dc35b6b0a1a3e883c8e28a764e15f27bb685b670458051fe5d02be61e7e0575dd80ecb4e063d815ba4ba113f8fce74c160f74360f6d5cc1c99eb21c9 |
memory/1364-21-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-23-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-22-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-24-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-25-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-26-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-27-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2928-29-0x0000000074950000-0x0000000074F01000-memory.dmp