Analysis Overview
SHA256
eda3f18c9145125002fd98051cd2da7e4ccb21db905560c55c98758100fd3145
Threat Level: Known bad
The file JaffaCakes118_6e9c6bc31a8a22309ed4e8a98a943978 was found to be: Known bad.
Malicious Activity Summary
Expiro family
Expiro, m0yv
Expiro payload
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-03 18:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-03 18:26
Reported
2025-01-03 18:29
Platform
win7-20240708-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Expiro family
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| 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_6e9c6bc31a8a22309ed4e8a98a943978.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_6e9c6bc31a8a22309ed4e8a98a943978.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9c6bc31a8a22309ed4e8a98a943978.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9c6bc31a8a22309ed4e8a98a943978.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 268
Network
Files
memory/2644-0-0x0000000001000000-0x00000000011C6000-memory.dmp
memory/2644-1-0x0000000000AF0000-0x0000000000CB6000-memory.dmp
memory/2644-2-0x0000000001000000-0x00000000011C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-03 18:26
Reported
2025-01-03 18:29
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
149s
Command Line
Signatures
Expiro family
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| 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_6e9c6bc31a8a22309ed4e8a98a943978.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_6e9c6bc31a8a22309ed4e8a98a943978.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9c6bc31a8a22309ed4e8a98a943978.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9c6bc31a8a22309ed4e8a98a943978.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4380 -ip 4380
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 572
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4380-0-0x0000000001000000-0x00000000011C6000-memory.dmp
memory/4380-1-0x0000000001000000-0x00000000011C6000-memory.dmp