Analysis Overview
SHA256
cd49a47d1d8acc21daef377ce4e3b387618cbfe49cd9a7100954f559c326225a
Threat Level: Known bad
The file d48829e0304a6d62d8dcd1be9c06d8f6.zip was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 06:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 06:41
Reported
2024-08-31 06:43
Platform
win7-20240705-en
Max time kernel
122s
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\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.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\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3032 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3032 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3032 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3032 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe
"C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 68
Network
Files
memory/3032-0-0x0000000000B9C000-0x0000000000C2F000-memory.dmp
memory/3032-1-0x0000000000B30000-0x0000000000C2F000-memory.dmp
memory/3032-2-0x0000000000B9C000-0x0000000000C2F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 06:41
Reported
2024-08-31 06:43
Platform
win10v2004-20240802-en
Max time kernel
137s
Max time network
141s
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\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.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\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe
"C:\Users\Admin\AppData\Local\Temp\371455235fb78b0f5bf933a52fc68155edd3df7d356ae1da4d74f72384b25c6f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 864 -ip 864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 252
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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/864-0-0x000000000104C000-0x00000000010DF000-memory.dmp
memory/864-1-0x0000000000FE0000-0x00000000010DF000-memory.dmp
memory/864-3-0x0000000000FE0000-0x00000000010DF000-memory.dmp
memory/864-2-0x000000000104C000-0x00000000010DF000-memory.dmp