Analysis Overview
SHA256
91431fdc4a4c4d6737de822d250a17201ca3fb3646f9c9753c3669df51623b50
Threat Level: Shows suspicious behavior
The file 13705bbccc0d099e212f63d2719639d5_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Access Token Manipulation: Create Process with Token
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 21:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 21:01
Reported
2024-06-26 21:04
Platform
win7-20240611-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
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 opened for modification | C:\Windows\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | C:\Windows\xulei8.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\xulei8.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\lua.wkl | 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} = "13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,1298019305,1794070839,-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\13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\xulei8.dll",_RunAs@16
Network
Files
memory/2624-0-0x0000000010000000-0x0000000010058000-memory.dmp
memory/2624-3-0x0000000010026000-0x0000000010027000-memory.dmp
memory/2624-2-0x0000000010000000-0x0000000010058000-memory.dmp
memory/2624-1-0x0000000010000000-0x0000000010058000-memory.dmp
C:\Windows\xulei8.dll
| MD5 | 13705bbccc0d099e212f63d2719639d5 |
| SHA1 | 4283ba4da63b64a0f78a0484db9af4ce5a551695 |
| SHA256 | 91431fdc4a4c4d6737de822d250a17201ca3fb3646f9c9753c3669df51623b50 |
| SHA512 | 62e4fef8877e3f16a8fdec9ffc93b5de64464442e384f718b739cf37aa27c74adba1ab5b9b43cb3f663ecc2657822687aa386129822d5f93bb7fa90cc1b172f4 |
memory/2624-8-0x0000000010000000-0x0000000010058000-memory.dmp
memory/2292-7-0x0000000010000000-0x0000000010058000-memory.dmp
memory/2292-9-0x0000000010000000-0x0000000010058000-memory.dmp
memory/2292-20-0x0000000010000000-0x0000000010058000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 21:01
Reported
2024-06-26 21:04
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
130s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | 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 opened for modification | C:\Windows\lua.wkl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | C:\Windows\xulei8.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\xulei8.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\lua.wkl | 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 |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,1298019305,1794070839,-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 |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2144 wrote to memory of 3608 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2144 wrote to memory of 3608 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2144 wrote to memory of 3608 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3608 wrote to memory of 4716 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3608 wrote to memory of 4716 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3608 wrote to memory of 4716 | 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\13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\13705bbccc0d099e212f63d2719639d5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\xulei8.dll",_RunAs@16
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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/3608-0-0x0000000010000000-0x0000000010058000-memory.dmp
C:\Windows\xulei8.dll
| MD5 | 13705bbccc0d099e212f63d2719639d5 |
| SHA1 | 4283ba4da63b64a0f78a0484db9af4ce5a551695 |
| SHA256 | 91431fdc4a4c4d6737de822d250a17201ca3fb3646f9c9753c3669df51623b50 |
| SHA512 | 62e4fef8877e3f16a8fdec9ffc93b5de64464442e384f718b739cf37aa27c74adba1ab5b9b43cb3f663ecc2657822687aa386129822d5f93bb7fa90cc1b172f4 |
memory/4716-5-0x0000000010000000-0x0000000010058000-memory.dmp
memory/3608-6-0x0000000010000000-0x0000000010058000-memory.dmp
memory/4716-7-0x0000000010000000-0x0000000010058000-memory.dmp