Analysis Overview
SHA256
771bdbc3f8acd04f59cee274643d4f115aeca0575b070aaf67698dbd90d7a29a
Threat Level: Known bad
The file 13116607249.zip was found to be: Known bad.
Malicious Activity Summary
SystemBC
Blocklisted process makes network request
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-11-22 14:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-22 14:57
Reported
2023-11-22 15:00
Platform
win7-20231020-en
Max time kernel
141s
Max time network
136s
Command Line
Signatures
SystemBC
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1720 wrote to memory of 2940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 45.63.66.10:443 | tcp |
Files
memory/2940-0-0x00000000000B0000-0x00000000000E8000-memory.dmp
memory/2940-1-0x00000000001F0000-0x00000000001F6000-memory.dmp
memory/2940-2-0x0000000000210000-0x0000000000217000-memory.dmp
memory/2940-3-0x00000000000B0000-0x00000000000E8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-22 14:57
Reported
2023-11-22 15:00
Platform
win10v2004-20231023-en
Max time kernel
91s
Max time network
147s
Command Line
Signatures
SystemBC
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2424 wrote to memory of 1808 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2424 wrote to memory of 1808 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2424 wrote to memory of 1808 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1808 -ip 1808
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 628
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.240.110.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/1808-0-0x00000000027F0000-0x00000000027F6000-memory.dmp
memory/1808-1-0x0000000002810000-0x0000000002817000-memory.dmp
memory/1808-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1808-3-0x00000000027F0000-0x00000000027F6000-memory.dmp