Analysis Overview
SHA256
282d2a424083b7d21a870abf739d37eb99ecd04da017c199f62e1cbf5dbe0778
Threat Level: Known bad
The file 7f933f4e7451e1aa0c8b9c38c43a81c9.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 02:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 02:54
Reported
2024-08-31 02:57
Platform
win7-20240729-en
Max time kernel
84s
Max time network
17s
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\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.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\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2164 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe
"C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 64
Network
Files
memory/2164-0-0x000000000015B000-0x00000000001EE000-memory.dmp
memory/2164-1-0x00000000000F0000-0x00000000001EE000-memory.dmp
memory/2164-2-0x000000000015B000-0x00000000001EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 02:54
Reported
2024-08-31 02:57
Platform
win10v2004-20240802-en
Max time kernel
148s
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\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.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\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe
"C:\Users\Admin\AppData\Local\Temp\c95b33c8f04267b719df3d1206dc2e7ec00f35cf5d26ff1b71a62fca8033cc2c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5008 -ip 5008
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 43.58.199.20.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 | 150.171.28.10:443 | 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 |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/5008-0-0x000000000103B000-0x00000000010CE000-memory.dmp
memory/5008-1-0x0000000000FD0000-0x00000000010CE000-memory.dmp
memory/5008-2-0x000000000103B000-0x00000000010CE000-memory.dmp
memory/5008-3-0x0000000000FD0000-0x00000000010CE000-memory.dmp