Analysis Overview
SHA256
62541f22e2c9de7ed46b352438c4a0416fd1e68b0ff32724b9ff0664d428af35
Threat Level: Known bad
The file 0bbb47cfcf2fd2a290c10158d71a4335.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 08:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 08:44
Reported
2024-08-31 08:46
Platform
win7-20240729-en
Max time kernel
16s
Max time network
20s
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\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.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\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1680 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe
"C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 156
Network
Files
memory/1680-0-0x0000000001A2E000-0x0000000001AC1000-memory.dmp
memory/1680-1-0x00000000012E0000-0x0000000001AC1000-memory.dmp
memory/1680-2-0x0000000001A2E000-0x0000000001AC1000-memory.dmp
memory/1680-3-0x00000000012E0000-0x0000000001AC1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 08:44
Reported
2024-08-31 08:46
Platform
win10v2004-20240802-en
Max time kernel
139s
Max time network
112s
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\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.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\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe
"C:\Users\Admin\AppData\Local\Temp\5416a414a27a40f75e64cc68fb456e7655732fe173f43685e93b9ecad1bbc7f7.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3140 -ip 3140
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 424
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.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 | 150.171.27.10:443 | 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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/3140-0-0x00000000015BE000-0x0000000001651000-memory.dmp
memory/3140-1-0x0000000000E70000-0x0000000001651000-memory.dmp
memory/3140-2-0x00000000015BE000-0x0000000001651000-memory.dmp
memory/3140-3-0x0000000000E70000-0x0000000001651000-memory.dmp