Analysis Overview
SHA256
9b85fbfa3892a7a6deffba5d5bc5dd9c35ac6cb97a631752142faa0839423186
Threat Level: Shows suspicious behavior
The file 4545.dll was found to be: Shows suspicious behavior.
Malicious Activity Summary
Looks up external IP address via web service
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-08-21 12:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-21 12:28
Reported
2023-08-21 12:31
Platform
win7-20230712-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3016 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\notepad.exe |
| PID 3016 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\notepad.exe |
| PID 3016 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\notepad.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4545.dll
C:\Windows\system32\notepad.exe
notepad.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-21 12:28
Reported
2023-08-21 12:31
Platform
win10v2004-20230703-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 996 wrote to memory of 1644 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\notepad.exe |
| PID 996 wrote to memory of 1644 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\notepad.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4545.dll
C:\Windows\system32\notepad.exe
notepad.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| SG | 139.99.32.95:8888 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| SG | 139.99.32.95:8888 | tcp | |
| US | 8.8.8.8:53 | 254.135.241.8.in-addr.arpa | udp |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp | |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
| SG | 139.99.32.95:8888 | tcp | |
| SG | 139.99.32.95:8888 | tcp |
Files
memory/996-133-0x00007FF819190000-0x00007FF819385000-memory.dmp
memory/996-135-0x0000000002B10000-0x0000000002B62000-memory.dmp
memory/996-136-0x00007FFFFAD90000-0x00007FFFFB851000-memory.dmp
memory/996-137-0x0000000002F90000-0x0000000002FA0000-memory.dmp
memory/996-138-0x0000000002F90000-0x0000000002FA0000-memory.dmp
memory/996-139-0x0000000002F90000-0x0000000002FA0000-memory.dmp
memory/996-140-0x000000001BF70000-0x000000001BF82000-memory.dmp
memory/996-141-0x000000001C210000-0x000000001C24C000-memory.dmp
memory/996-142-0x00007FFFFAD90000-0x00007FFFFB851000-memory.dmp
memory/996-144-0x0000000002F90000-0x0000000002FA0000-memory.dmp
memory/996-145-0x0000000002F90000-0x0000000002FA0000-memory.dmp
memory/996-146-0x0000000002F90000-0x0000000002FA0000-memory.dmp