Analysis Overview
SHA256
3552cf1bf7d0b629737e0025e28f58878113b9bee631e0c1079a2459dc26978e
Threat Level: Likely malicious
The file e60f7218d20c941220c342c4e5748874_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Sets DLL path for service in the registry
Loads dropped DLL
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 23:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:03
Reported
2024-04-07 23:05
Platform
win7-20240221-en
Max time kernel
142s
Max time network
144s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\3800hk\Parameters\ServiceDll = "C:\\Windows\\system32\\3800hk.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\3800hk.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\3800hk.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60f7218d20c941220c342c4e5748874_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60f7218d20c941220c342c4e5748874_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
Files
\??\c:\windows\SysWOW64\3800hk.dll
| MD5 | e60f7218d20c941220c342c4e5748874 |
| SHA1 | 13e6d22a93e26f618af3ea05dee256a769a3cbec |
| SHA256 | 3552cf1bf7d0b629737e0025e28f58878113b9bee631e0c1079a2459dc26978e |
| SHA512 | f4b42f93f2fc257234ba2f085da978e3426f7cd4a886b96ad60ab55dde8312ba6b1a51ec9a8c8d5b4ebd4d7abea1ae445e714ca44ca350b56e83c0c8af2eaa96 |
memory/2020-3-0x00000000000A0000-0x00000000000B6000-memory.dmp
memory/2020-5-0x00000000000A0000-0x00000000000B6000-memory.dmp
memory/2192-4-0x0000000000400000-0x0000000000416000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 23:03
Reported
2024-04-07 23:05
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\3800hk\Parameters\ServiceDll = "C:\\Windows\\system32\\3800hk.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\3800hk.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\3800hk.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 368 wrote to memory of 3920 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 368 wrote to memory of 3920 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 368 wrote to memory of 3920 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60f7218d20c941220c342c4e5748874_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e60f7218d20c941220c342c4e5748874_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | wobei.3322.org | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
\??\c:\windows\SysWOW64\3800hk.dll
| MD5 | e60f7218d20c941220c342c4e5748874 |
| SHA1 | 13e6d22a93e26f618af3ea05dee256a769a3cbec |
| SHA256 | 3552cf1bf7d0b629737e0025e28f58878113b9bee631e0c1079a2459dc26978e |
| SHA512 | f4b42f93f2fc257234ba2f085da978e3426f7cd4a886b96ad60ab55dde8312ba6b1a51ec9a8c8d5b4ebd4d7abea1ae445e714ca44ca350b56e83c0c8af2eaa96 |
memory/3920-3-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4816-4-0x0000000000400000-0x0000000000416000-memory.dmp