Analysis Overview
SHA256
f30bf648400557b10c60a35c11396bebab932a530993a7718b88c75732aa9811
Threat Level: Known bad
The file 3acd3697cb4c6a2dd4426380acc277e7.zip was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 09:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 09:34
Reported
2024-08-31 09:37
Platform
win7-20240704-en
Max time kernel
122s
Max time network
128s
Command Line
Signatures
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe |
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\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1908 wrote to memory of 1932 | N/A | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1908 wrote to memory of 1932 | N/A | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1908 wrote to memory of 1932 | N/A | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1908 wrote to memory of 1932 | N/A | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe
"C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 68
Network
Files
memory/1908-0-0x000000000134C000-0x00000000013DF000-memory.dmp
memory/1908-1-0x00000000012E0000-0x00000000013DF000-memory.dmp
memory/1908-2-0x000000000134C000-0x00000000013DF000-memory.dmp
memory/1908-3-0x00000000012E0000-0x00000000013DF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 09:34
Reported
2024-08-31 09:37
Platform
win10v2004-20240802-en
Max time kernel
134s
Max time network
150s
Command Line
Signatures
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe |
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\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe
"C:\Users\Admin\AppData\Local\Temp\3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 256
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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4628-0-0x0000000000FEC000-0x000000000107F000-memory.dmp
memory/4628-1-0x0000000000F80000-0x000000000107F000-memory.dmp
memory/4628-2-0x0000000000FEC000-0x000000000107F000-memory.dmp
memory/4628-3-0x0000000000F80000-0x000000000107F000-memory.dmp