Analysis Overview
SHA256
4a640a4d7297b2a880b2583cb60bed9d7d28d898afd6680202dcb58340d970a1
Threat Level: Known bad
The file 182e8844a6b5254a766fe18bffd33ded_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Loads dropped DLL
VMProtect packed file
Deletes itself
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 00:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 00:51
Reported
2024-06-28 00:53
Platform
win7-20240508-en
Max time kernel
150s
Max time network
118s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,rundll32.exe c:\\Progra~1\\mhzx\\tlmhzx1104.dll Start," | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| 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 |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\tlmhzx2.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File created | C:\Program Files\mhzx\tlmhzx1104.dll | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files\tlmhzx.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File created | C:\Program Files\tlmhzx.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files\tlmhzx2.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe"
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe c:\Progra~1\mhzx\tlmhzx1104.dll Start
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\182E88~1.EXE
Network
Files
\??\c:\Progra~1\mhzx\tlmhzx1104.dll
| MD5 | e04083dfa409bac154de3f1c5d885aa6 |
| SHA1 | 5894984bffdac2cccd6208bf881ac031e046bcb3 |
| SHA256 | 11914c0d7ff1d935778e94e6c268cfd72cceb0b99bfc685d45011d8a732d5eeb |
| SHA512 | 3bacc86e424b15cfd6e0ac694a56b1c250ceeda6b41e3b5732717d6a8eed480587a071c62284245f3a92675088c8595ae8b260586148bacdbaf3c605fad82e27 |
memory/2420-10-0x0000000010000000-0x000000001000D000-memory.dmp
memory/2420-11-0x0000000010000000-0x000000001000D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 00:51
Reported
2024-06-28 00:53
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,rundll32.exe c:\\Progra~1\\mhzx\\tlmhzx1104.dll Start," | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\tlmhzx.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File created | C:\Program Files\tlmhzx.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files\tlmhzx2.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File created | C:\Program Files\tlmhzx2.dat | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
| File created | C:\Program Files\mhzx\tlmhzx1104.dll | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4332 wrote to memory of 724 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4332 wrote to memory of 724 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4332 wrote to memory of 724 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4332 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4332 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4332 wrote to memory of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\182e8844a6b5254a766fe18bffd33ded_JaffaCakes118.exe"
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe c:\Progra~1\mhzx\tlmhzx1104.dll Start
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\182E88~1.EXE
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 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
\??\c:\Progra~1\mhzx\tlmhzx1104.dll
| MD5 | e04083dfa409bac154de3f1c5d885aa6 |
| SHA1 | 5894984bffdac2cccd6208bf881ac031e046bcb3 |
| SHA256 | 11914c0d7ff1d935778e94e6c268cfd72cceb0b99bfc685d45011d8a732d5eeb |
| SHA512 | 3bacc86e424b15cfd6e0ac694a56b1c250ceeda6b41e3b5732717d6a8eed480587a071c62284245f3a92675088c8595ae8b260586148bacdbaf3c605fad82e27 |
memory/724-7-0x0000000010000000-0x000000001000D000-memory.dmp
memory/724-8-0x0000000010000000-0x000000001000D000-memory.dmp