Analysis Overview
SHA256
db5184ed3a468a93295670ae4c76395d12db142982390dfd9b465bb62749fe53
Threat Level: Known bad
The file eeff2ab6ead0a81df9718b2de5d81d08.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 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
win7-20240704-en
Max time kernel
13s
Max time network
19s
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 | 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\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2276 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2276 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2276 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2276 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe
"C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 68
Network
Files
memory/2276-1-0x0000000000A90000-0x0000000000B8F000-memory.dmp
memory/2276-0-0x0000000000AFC000-0x0000000000B8F000-memory.dmp
memory/2276-2-0x0000000000AFC000-0x0000000000B8F000-memory.dmp
memory/2276-3-0x0000000000A90000-0x0000000000B8F000-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
153s
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\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.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\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe
"C:\Users\Admin\AppData\Local\Temp\212918a42f744a3cdc9c42aae2dd287ad3d33facfc3a85a484f73cad6e592dc3.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4048 -ip 4048
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 252
Network
| Country | Destination | Domain | Proto |
| 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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 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/4048-0-0x00000000007DC000-0x000000000086F000-memory.dmp
memory/4048-1-0x0000000000770000-0x000000000086F000-memory.dmp
memory/4048-2-0x00000000007DC000-0x000000000086F000-memory.dmp
memory/4048-3-0x0000000000770000-0x000000000086F000-memory.dmp