Analysis Overview
SHA256
1a09288983e86e28e6542caf27f0aa856ee2375c24e579f835b390ed9ecfc761
Threat Level: Known bad
The file ab82eeb4d0bfc29e266388cc4c2d372b.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 03:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 03:38
Reported
2024-09-01 03:40
Platform
win7-20240704-en
Max time kernel
122s
Max time network
129s
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\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.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\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2296 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2296 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2296 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2296 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe
"C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 96
Network
Files
memory/2296-0-0x0000000000F0B000-0x0000000000F9E000-memory.dmp
memory/2296-1-0x0000000000EA0000-0x0000000000F9E000-memory.dmp
memory/2296-2-0x0000000000F0B000-0x0000000000F9E000-memory.dmp
memory/2296-3-0x0000000000EA0000-0x0000000000F9E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 03:38
Reported
2024-09-01 03:40
Platform
win10v2004-20240802-en
Max time kernel
92s
Max time network
124s
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\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.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\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe
"C:\Users\Admin\AppData\Local\Temp\4fced8f23e19e90f89d110b6dc75f76edac9624fc3aa99f793a249a4e76a8ed4.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3840 -ip 3840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 296
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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.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 | 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 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/3840-0-0x000000000093B000-0x00000000009CE000-memory.dmp
memory/3840-1-0x00000000008D0000-0x00000000009CE000-memory.dmp
memory/3840-2-0x000000000093B000-0x00000000009CE000-memory.dmp
memory/3840-3-0x00000000008D0000-0x00000000009CE000-memory.dmp