Analysis Overview
SHA256
acab845ba6a90301163c1c73c2dd81dd68491a7ab047fa8fddf76257bcbb8c77
Threat Level: Known bad
The file 8b6c68e136bc1e084adc817668558bf2.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 19:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 19:24
Reported
2024-09-01 19:26
Platform
win7-20240705-en
Max time kernel
118s
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 |
| 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\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.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\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2676 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2676 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2676 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2676 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe
"C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 64
Network
Files
memory/2676-0-0x000000000063B000-0x00000000006CE000-memory.dmp
memory/2676-1-0x00000000005D0000-0x00000000006CE000-memory.dmp
memory/2676-2-0x000000000063B000-0x00000000006CE000-memory.dmp
memory/2676-3-0x00000000005D0000-0x00000000006CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 19:24
Reported
2024-09-01 19:26
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
152s
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\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.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\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe
"C:\Users\Admin\AppData\Local\Temp\ba075c02a061c96f5604e801215db9118a51a81ab8460c75d73ceac99408786c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/2968-0-0x00000000003AB000-0x000000000043E000-memory.dmp
memory/2968-1-0x0000000000340000-0x000000000043E000-memory.dmp
memory/2968-2-0x00000000003AB000-0x000000000043E000-memory.dmp
memory/2968-3-0x0000000000340000-0x000000000043E000-memory.dmp