Analysis Overview
SHA256
409a315c2cb4fdc6ebb96ca836404e6a973a8ac7316240ddc34f4f116f652b44
Threat Level: Likely malicious
The file 105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Deletes itself
Loads dropped DLL
VMProtect packed file
Drops file in Program Files directory
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-26 02:04
Signatures
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 02:04
Reported
2024-06-26 02:06
Platform
win7-20240221-en
Max time kernel
144s
Max time network
149s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.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 |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\program files\Viewer3\Gxtmp.dll | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe"
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\progra~1\Viewer3\Gxtmp.dll Run
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C DEL C:\Users\Admin\AppData\Local\Temp\105B64~1.EXE > NUL
Network
| Country | Destination | Domain | Proto |
| N/A | 172.16.3.4:1989 | tcp | |
| N/A | 172.16.3.4:1989 | tcp | |
| N/A | 172.16.3.4:1989 | tcp | |
| US | 8.8.8.8:53 | xiejunnew.2288.org | udp |
| HK | 112.213.99.209:88 | xiejunnew.2288.org | tcp |
| N/A | 172.16.3.4:1989 | tcp |
Files
\??\c:\progra~1\Viewer3\Gxtmp.dll
| MD5 | 465d1999d67d24a2973ddc6b7b306564 |
| SHA1 | 47721625142abe4f6546a11f05d4c7d30a18d8f9 |
| SHA256 | 2b33e37cba5c2c86d1050a72a5fa6fa547b9df197818b1fcb7d453934ba3c606 |
| SHA512 | 8f05f9353e117cc937f190a0341af74730d3c72cb5226c73ba3425aba6254ec3241d0ae803824d2c5f4af4b222fea55dca999e85d686f92c8446b2db2d56aa0c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 02:04
Reported
2024-06-26 02:06
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\program files\Viewer3\Gxtmp.dll | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 388 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 388 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 388 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 388 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 388 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 388 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\105b64c22f1a68fbdeee77aa762020ee_JaffaCakes118.exe"
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\progra~1\Viewer3\Gxtmp.dll Run
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C DEL C:\Users\Admin\AppData\Local\Temp\105B64~1.EXE > NUL
Network
| Country | Destination | Domain | Proto |
| N/A | 172.16.3.4:1989 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 172.16.3.4:1989 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| N/A | 172.16.3.4:1989 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xiejunnew.2288.org | udp |
| HK | 112.213.99.209:88 | xiejunnew.2288.org | tcp |
| N/A | 172.16.3.4:1989 | tcp | |
| US | 8.8.8.8:53 | 24.173.189.20.in-addr.arpa | udp |
Files
\??\c:\progra~1\Viewer3\Gxtmp.dll
| MD5 | b76dcb4858fdc8b47c446ff00fab696d |
| SHA1 | a6f1686583efa6e04512fa3d283be0d87551a096 |
| SHA256 | 6687f4346881a813b03afd89e120a491078857f1c99a0f03ee9c2ea96728b8fe |
| SHA512 | 7b0a7fb6e8ec9d21acf98d9ad6423aba453bf0a8db1cb6aa0d7d728f390b54bd62d418d0d5f09c1361a920f335f0bc5efc10ec6b2e7dece2bd31f5130e9166c6 |