Analysis Overview
SHA256
4f1a0a7f69c4c3e422ebd47a3975454745c92c841653fa6ddf067ac9c966d256
Threat Level: Shows suspicious behavior
The file a65df92d973ff5ae335af3be03915a8f_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Checks BIOS information in registry
Maps connected drives based on registry
Suspicious use of SetThreadContext
Program crash
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 15:55
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 15:55
Reported
2024-06-13 15:58
Platform
win7-20240220-en
Max time kernel
140s
Max time network
120s
Command Line
Signatures
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2464 set thread context of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe" Track="0001001000"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1wu1it6oxp8zn0zoz.d8ntvqxqk.com | udp |
Files
memory/2464-0-0x0000000000400000-0x000000000053A000-memory.dmp
memory/2572-1-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-9-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-19-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-21-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2464-20-0x0000000000400000-0x000000000053A000-memory.dmp
memory/2464-17-0x0000000002750000-0x000000000288A000-memory.dmp
memory/2572-15-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2572-11-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-7-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-5-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-3-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-22-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-23-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-24-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-25-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-26-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-28-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-29-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-30-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-31-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-32-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-33-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-34-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-35-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-36-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-37-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-38-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-39-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-40-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2572-41-0x0000000000400000-0x0000000000522000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 15:55
Reported
2024-06-13 15:58
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
54s
Command Line
Signatures
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1904 set thread context of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe |
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe" Track="0001000000"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2564 -ip 2564
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2564 -ip 2564
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 2080
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 2040
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 | 5gehiovcd.d8ntvqxqk.com | udp |
Files
memory/1904-0-0x0000000000400000-0x000000000053A000-memory.dmp
memory/2564-2-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-3-0x0000000000400000-0x0000000000522000-memory.dmp
memory/1904-5-0x0000000000400000-0x000000000053A000-memory.dmp
memory/2564-1-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-6-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-8-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-9-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-10-0x0000000000400000-0x0000000000522000-memory.dmp
memory/2564-14-0x0000000000400000-0x0000000000522000-memory.dmp