Analysis Overview
SHA256
05de2df1e9fc636609699c34ed21cec85b170e9106ab67ddd79ce84ea59881ce
Threat Level: Known bad
The file 93a4bb1b1672d07128cc01f98ee00e5f.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 10:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 10:54
Reported
2024-08-31 10:57
Platform
win7-20240708-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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.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\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2516 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2516 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2516 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2516 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe
"C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 68
Network
Files
memory/2516-0-0x000000000040C000-0x000000000049F000-memory.dmp
memory/2516-1-0x00000000003A0000-0x000000000049F000-memory.dmp
memory/2516-2-0x000000000040C000-0x000000000049F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 10:54
Reported
2024-08-31 10:57
Platform
win10v2004-20240802-en
Max time kernel
134s
Max time network
155s
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\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.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\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe
"C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1264 -ip 1264
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 252
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 |
Files
memory/1264-0-0x000000000032C000-0x00000000003BF000-memory.dmp
memory/1264-1-0x00000000002C0000-0x00000000003BF000-memory.dmp
memory/1264-3-0x00000000002C0000-0x00000000003BF000-memory.dmp
memory/1264-2-0x000000000032C000-0x00000000003BF000-memory.dmp