Analysis Overview
SHA256
48f9f84b900eb50860f735df91bc0c8655b3e4cb00467f2fb784e9b3adc8bf27
Threat Level: Known bad
The file ee7da429fe5ec4209b01cfcc8d867cfa.zip was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 07:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 07:44
Reported
2024-08-31 07:47
Platform
win7-20240705-en
Max time kernel
119s
Max time network
123s
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.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\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2976 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2976 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2976 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2976 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe
"C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 124
Network
Files
memory/2976-0-0x0000000000F3F000-0x0000000000FD2000-memory.dmp
memory/2976-1-0x0000000000E80000-0x0000000000FD2000-memory.dmp
memory/2976-2-0x0000000000F3F000-0x0000000000FD2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 07:44
Reported
2024-08-31 07:47
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
154s
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\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.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\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe
"C:\Users\Admin\AppData\Local\Temp\54e823e778135245e1ac095fd6af3320dc8235dfdb1f973144ecb5a532ac45a6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2044 -ip 2044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 336
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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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/2044-0-0x0000000000C0F000-0x0000000000CA2000-memory.dmp
memory/2044-1-0x0000000000B50000-0x0000000000CA2000-memory.dmp
memory/2044-2-0x0000000000C0F000-0x0000000000CA2000-memory.dmp
memory/2044-3-0x0000000000B50000-0x0000000000CA2000-memory.dmp