Analysis Overview
SHA256
5a8dc8550a61e4f46132b25259ce4524714309b5c507b9a7be3f2cf979738b73
Threat Level: Shows suspicious behavior
The file 12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Access Token Manipulation: Create Process with Token
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 16:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 16:50
Reported
2024-06-26 16:53
Platform
win7-20240508-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\msocx.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msocx.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Access Token Manipulation: Create Process with Token
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,1294210682,73462361,-352895392" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msocx.dll",_RunAs@16
Network
Files
memory/2928-4-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2928-3-0x0000000010025000-0x0000000010026000-memory.dmp
memory/2928-2-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2928-1-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2928-0-0x0000000010000000-0x0000000010057000-memory.dmp
C:\Windows\msocx.dll
| MD5 | 12b3d6a87dd0e78597f763e5b9629947 |
| SHA1 | 8cf361dcab9fd8cbadcbe1314377778875cd9322 |
| SHA256 | 5a8dc8550a61e4f46132b25259ce4524714309b5c507b9a7be3f2cf979738b73 |
| SHA512 | 3dd04a6876f371c9d0a714cfc5099e58b090fe9a83ba88b7d91397f74a9bfcf2bbb955854aa8c2f90381ce94af347c265e23881994e79b19815dc3e2e196e1c7 |
memory/2164-8-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2928-9-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2164-10-0x0000000010000000-0x0000000010057000-memory.dmp
memory/2164-11-0x0000000010000000-0x0000000010057000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 16:50
Reported
2024-06-26 16:53
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\msocx.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msocx.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Access Token Manipulation: Create Process with Token
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,1294210682,73462361,-352895392" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3636 wrote to memory of 4600 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3636 wrote to memory of 4600 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3636 wrote to memory of 4600 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4600 wrote to memory of 1748 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4600 wrote to memory of 1748 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4600 wrote to memory of 1748 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12b3d6a87dd0e78597f763e5b9629947_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msocx.dll",_RunAs@16
Network
Files
memory/4600-0-0x0000000010000000-0x0000000010057000-memory.dmp
C:\Windows\msocx.dll
| MD5 | 12b3d6a87dd0e78597f763e5b9629947 |
| SHA1 | 8cf361dcab9fd8cbadcbe1314377778875cd9322 |
| SHA256 | 5a8dc8550a61e4f46132b25259ce4524714309b5c507b9a7be3f2cf979738b73 |
| SHA512 | 3dd04a6876f371c9d0a714cfc5099e58b090fe9a83ba88b7d91397f74a9bfcf2bbb955854aa8c2f90381ce94af347c265e23881994e79b19815dc3e2e196e1c7 |
memory/1748-5-0x0000000010000000-0x0000000010057000-memory.dmp
memory/4600-6-0x0000000010000000-0x0000000010057000-memory.dmp
memory/1748-7-0x0000000010000000-0x0000000010057000-memory.dmp