Analysis Overview
SHA256
9baf53ab9ad23bf1d6271bbe83f83aa07942917aa222069dde67eba17ef7769a
Threat Level: Shows suspicious behavior
The file 4a8457292401a0a806f41c9aead79031_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Writes to the Master Boot Record (MBR)
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 23:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 23:40
Reported
2024-10-15 23:43
Platform
win7-20241010-en
Max time kernel
15s
Max time network
19s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2496 set thread context of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.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\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
Network
Files
memory/2496-0-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-3-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-2-0x0000000000401000-0x0000000000407000-memory.dmp
memory/2496-1-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-4-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-6-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-9-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-8-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-10-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-11-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2244-22-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2244-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2244-21-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2496-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2244-18-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2244-16-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2244-14-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2496-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2496-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2244-30-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2244-31-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2496-29-0x0000000000401000-0x0000000000407000-memory.dmp
memory/2496-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2244-25-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1264-32-0x000000007FFF0000-0x000000007FFF7000-memory.dmp
memory/1264-35-0x000000007EFD0000-0x000000007EFD1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 23:40
Reported
2024-10-15 23:43
Platform
win10v2004-20241007-en
Max time kernel
136s
Max time network
124s
Command Line
Signatures
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2168 set thread context of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.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\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\4a8457292401a0a806f41c9aead79031_JaffaCakes118.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2168-0-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-3-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-2-0x0000000000401000-0x0000000000407000-memory.dmp
memory/2168-1-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-4-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-6-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-8-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4756-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2168-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2168-11-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4756-10-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2168-14-0x0000000000401000-0x0000000000407000-memory.dmp
memory/4756-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3460-16-0x000000007FFF0000-0x000000007FFF7000-memory.dmp
memory/3460-17-0x000000007FFD0000-0x000000007FFD1000-memory.dmp