Analysis Overview
SHA256
0272d47b7fac0190aeb3cdbf46af3fff76cab1b6c63936ad0140128e180caa0e
Threat Level: Shows suspicious behavior
The file e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 15:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 15:02
Reported
2024-04-06 15:05
Platform
win7-20240221-en
Max time kernel
140s
Max time network
120s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\winsys = "C:\\windows\\system32\\winsys.exe" | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\windows\SysWOW64\winsys.exe | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\windows\SysWOW64\winsys.exe | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\logi.txt | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Processes
C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe"
Network
Files
memory/328-0-0x0000000000320000-0x0000000000321000-memory.dmp
memory/328-2-0x0000000000400000-0x0000000000489000-memory.dmp
memory/328-4-0x0000000000320000-0x0000000000321000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 15:02
Reported
2024-04-06 15:05
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winsys = "C:\\windows\\system32\\winsys.exe" | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\windows\SysWOW64\winsys.exe | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\windows\SysWOW64\winsys.exe | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\logi.txt | C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Processes
C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2cd40cd34a1e037aacfe28386654a9c_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2760-0-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/2760-2-0x0000000000400000-0x0000000000489000-memory.dmp
memory/2760-4-0x00000000021F0000-0x00000000021F1000-memory.dmp