Analysis Overview
SHA256
e1bd03bb2f8bbef5e3d5b649b6abfee4170b36016ea6213a4229cb933199f97b
Threat Level: Likely malicious
The file e59070776d78df670acd8041cc7e93ec_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Sets service image path in registry
Loads dropped DLL
Unsigned PE
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:20
Reported
2024-04-07 18:22
Platform
win7-20240221-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\drivers\15k9r0.sys | C:\Windows\SysWOW64\rundll32.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\{C5269DD294477B0D4626EE6427258751}\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\470F.tmp" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59070776d78df670acd8041cc7e93ec_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59070776d78df670acd8041cc7e93ec_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\275E.tmp
Network
Files
memory/1164-0-0x00000000001F0000-0x000000000026E000-memory.dmp
memory/1164-1-0x0000000010000000-0x000000001007D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\275E.tmp
| MD5 | 9fc47b32c3156af49540e82ad8c961b4 |
| SHA1 | 1d3947a5c4504b7a89f83f5d808876134557550d |
| SHA256 | 171489c75400149f90ee67cb98f15a33af8ee6301d10e71807d53356cfd325c3 |
| SHA512 | 1ac5b31c1f2f532595a7729071588a4c2975df22529a362d741d9c5f45788f7a912260c7ded6b228d6618e8a9bfb84b57f269ccb225ffdd4fd7011df9de30276 |
memory/1248-8-0x0000000010000000-0x0000000010060000-memory.dmp
memory/1248-7-0x00000000001D0000-0x0000000000231000-memory.dmp
memory/1248-11-0x00000000001F0000-0x000000000026E000-memory.dmp
memory/1248-19-0x00000000001F0000-0x000000000026E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:20
Reported
2024-04-07 18:22
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
128s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\drivers\15k9r0.sys | C:\Windows\SysWOW64\rundll32.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\{C5269DD294477B0D4626EE6427258751}\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\55E1.tmp" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4280 wrote to memory of 3244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4280 wrote to memory of 3244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4280 wrote to memory of 3244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3244 wrote to memory of 1040 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3244 wrote to memory of 1040 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3244 wrote to memory of 1040 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59070776d78df670acd8041cc7e93ec_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59070776d78df670acd8041cc7e93ec_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3633.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.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 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3244-0-0x0000000000DB0000-0x0000000000E2E000-memory.dmp
memory/3244-3-0x0000000010000000-0x000000001007D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3633.tmp
| MD5 | 9fc47b32c3156af49540e82ad8c961b4 |
| SHA1 | 1d3947a5c4504b7a89f83f5d808876134557550d |
| SHA256 | 171489c75400149f90ee67cb98f15a33af8ee6301d10e71807d53356cfd325c3 |
| SHA512 | 1ac5b31c1f2f532595a7729071588a4c2975df22529a362d741d9c5f45788f7a912260c7ded6b228d6618e8a9bfb84b57f269ccb225ffdd4fd7011df9de30276 |
memory/1040-7-0x0000000000A90000-0x0000000000AF1000-memory.dmp
memory/1040-10-0x0000000010000000-0x0000000010060000-memory.dmp