Analysis Overview
SHA256
151f293e32a9f1c4af8347a53fb5651b7930cf855241bb3d92a869c5e721163b
Threat Level: Known bad
The file JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf was found to be: Known bad.
Malicious Activity Summary
Expiro family
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
2025-01-03 22:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-03 22:34
Reported
2025-01-03 22:36
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Expiro family
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\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.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\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1860 wrote to memory of 2276 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1860 wrote to memory of 2276 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1860 wrote to memory of 2276 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1860 wrote to memory of 2276 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 160
Network
Files
memory/1860-0-0x0000000000A70000-0x0000000000B04000-memory.dmp
memory/1860-1-0x0000000000A00000-0x0000000000B04000-memory.dmp
memory/1860-2-0x0000000000A70000-0x0000000000B04000-memory.dmp
memory/1860-3-0x0000000000A00000-0x0000000000B04000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-03 22:34
Reported
2025-01-03 22:36
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
97s
Command Line
Signatures
Expiro family
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\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.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\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7216d9dc775aa07fd412d4d0642aaebf.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 208 -ip 208
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 476
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/208-0-0x0000000000580000-0x0000000000614000-memory.dmp
memory/208-1-0x0000000000510000-0x0000000000614000-memory.dmp
memory/208-2-0x0000000000580000-0x0000000000614000-memory.dmp
memory/208-3-0x0000000000510000-0x0000000000614000-memory.dmp