Analysis Overview
SHA256
bd5cd250cd8e3bb4b497cc273411ca4efa1b366e27d956be38be62881f2758b2
Threat Level: Known bad
The file 0d47828b888817ccc0b40056b40211e0N.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
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: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-13 00:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-13 00:44
Reported
2024-08-13 00:46
Platform
win7-20240704-en
Max time kernel
117s
Max time network
33s
Command Line
Signatures
NanoCore
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\0d47828b888817ccc0b40056b40211e0N.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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 2908 set thread context of 2664 | 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\0d47828b888817ccc0b40056b40211e0N.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\0d47828b888817ccc0b40056b40211e0N.exe
"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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/2224-0-0x00000000740C1000-0x00000000740C2000-memory.dmp
memory/2224-1-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2224-2-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2224-3-0x00000000740C0000-0x000000007466B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | e8519238e16e8a5e76edbaddd511cb36 |
| SHA1 | fdf86ab0123245192bbf96ea732b0c2526445925 |
| SHA256 | bde33c354b895773feda99175fa0d92f4c05c208012e7c2e2b3edf358fe30788 |
| SHA512 | 6b6d39662329035aa311f21443fae6dd282f08667db5b1d7f2395ab6da31b3cc860bb12d42aa8381bf242c5caf829ed70b81f7e70c4ee265546b6c90619ff69f |
memory/2224-12-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2908-13-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2908-14-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2908-16-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2908-15-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2664-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-32-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-31-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2664-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2664-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2908-34-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2908-35-0x00000000740C0000-0x000000007466B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-13 00:44
Reported
2024-08-13 00:46
Platform
win10v2004-20240802-en
Max time kernel
120s
Max time network
106s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 4196 set thread context of 4268 | 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\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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\0d47828b888817ccc0b40056b40211e0N.exe
"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1912-0-0x00000000753F2000-0x00000000753F3000-memory.dmp
memory/1912-1-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/1912-2-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/1912-3-0x00000000753F0000-0x00000000759A1000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | b5d7470524b76979faa6ec7749832063 |
| SHA1 | eff52e721968440b250000ce452ae06662dc4b4e |
| SHA256 | 3c051e22b95b4a4923764664b88a668e0240c48220e0809d2c7e9942ffe05df8 |
| SHA512 | 1cd089a504596e2ac22dc2ee91ff5d4a5b04df3795560c711cf21aba687179359afb355869f638157c3d65f37bbeefddbe0ad27b79b355bd399a52f40d82f2f0 |
memory/1912-17-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4196-18-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4196-19-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4268-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4268-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4268-25-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-26-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-27-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-29-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4196-30-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4196-32-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-33-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/4268-34-0x00000000753F0000-0x00000000759A1000-memory.dmp