Analysis Overview
SHA256
8a591155989d755b6a72f1f829d2aa1fcc4de8f89dce646cc4cde6ee7304de8b
Threat Level: Known bad
The file bc5e8e9b72bf9c30accef0a83e8366d0N.exe was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 15:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 15:31
Reported
2024-08-31 15:34
Platform
win7-20240708-en
Max time kernel
16s
Max time network
23s
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 |
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\bc5e8e9b72bf9c30accef0a83e8366d0N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\bc5e8e9b72bf9c30accef0a83e8366d0N.exe
"C:\Users\Admin\AppData\Local\Temp\bc5e8e9b72bf9c30accef0a83e8366d0N.exe"
Network
Files
memory/2364-0-0x0000000000DFD000-0x0000000000E2E000-memory.dmp
memory/2364-1-0x0000000000D30000-0x0000000000E2E000-memory.dmp
memory/2364-2-0x0000000000DFD000-0x0000000000E2E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 15:31
Reported
2024-08-31 15:34
Platform
win10v2004-20240802-en
Max time kernel
102s
Max time network
104s
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\bc5e8e9b72bf9c30accef0a83e8366d0N.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\bc5e8e9b72bf9c30accef0a83e8366d0N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\bc5e8e9b72bf9c30accef0a83e8366d0N.exe
"C:\Users\Admin\AppData\Local\Temp\bc5e8e9b72bf9c30accef0a83e8366d0N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4456 -ip 4456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 472
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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/4456-0-0x000000000036D000-0x000000000039E000-memory.dmp
memory/4456-1-0x00000000002A0000-0x000000000039E000-memory.dmp
memory/4456-2-0x000000000036D000-0x000000000039E000-memory.dmp