Analysis Overview
SHA256
8d8ef6f794f3a242e1d19a2227f86562e506a9c8779b5342f31b06d42ecd7398
Threat Level: Known bad
The file df2d7668906396625694e3cebaa3f854.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
2024-09-01 19:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 19:32
Reported
2024-09-01 19:34
Platform
win7-20240704-en
Max time kernel
119s
Max time network
120s
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\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.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\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2556 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2556 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2556 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2556 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe
"C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 64
Network
Files
memory/2556-0-0x00000000003DB000-0x000000000046E000-memory.dmp
memory/2556-1-0x0000000000370000-0x000000000046E000-memory.dmp
memory/2556-2-0x00000000003DB000-0x000000000046E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 19:32
Reported
2024-09-01 19:34
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
97s
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\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.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\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe
"C:\Users\Admin\AppData\Local\Temp\628e8e8f4dc31191a98ce300f0f3f721ad80b184b3c02d288fbe674f92d63bb6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2144 -ip 2144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/2144-0-0x000000000050B000-0x000000000059E000-memory.dmp
memory/2144-1-0x00000000004A0000-0x000000000059E000-memory.dmp
memory/2144-2-0x000000000050B000-0x000000000059E000-memory.dmp
memory/2144-3-0x00000000004A0000-0x000000000059E000-memory.dmp