Analysis Overview
SHA256
b5169b36f6067ef634dfa9bfe66c9ea0693480f0762a22c45720553315751479
Threat Level: Shows suspicious behavior
The file 040ff18b515119bac92de538e18db109_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 07:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 07:33
Reported
2024-06-20 07:35
Platform
win7-20240220-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3a729da-eabc-df50-1842-dfd682644311} | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\mswapi.dll | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311} | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ = "C:\\Windows\\SysWow64\\mswapi.dll" | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\script = 18b449998991e1c3e4419e26a52314b4141bff389acda062d5152c24721b223aee0d | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3028 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3028 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3028 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3028 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\delt.bat" "
Network
Files
C:\Users\Admin\AppData\Local\Temp\delt.bat
| MD5 | ed58dfd87e0e4f70542aa5984587465c |
| SHA1 | 0c2b8ebc4d9bfd4cc1e3f10987298bad6afa8dc2 |
| SHA256 | 688349e3f296fd464a59c2edc16ec68ba1f8a14d8d50fef9cb155c2c7a2d43bd |
| SHA512 | 0a9c94ec5677b085d31bea2ea7cc801a22eb6fa0eb68f4869692f80b27b8c0b21be4be46f7e7e6b67498fb4a8f0d9d137c565b9bfc3e8faeb6b7d57235a778bf |
memory/3028-9-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 07:33
Reported
2024-06-20 07:35
Platform
win10v2004-20240508-en
Max time kernel
94s
Max time network
95s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.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 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |