Analysis Overview
SHA256
0771ce877d32bdac956943dd13860d94bce0c68c9a9744cab7d269fe1736e39e
Threat Level: Known bad
The file 02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Drops file in Drivers directory
Sets service image path in registry
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Loads dropped DLL
Installs/modifies Browser Helper Object
Modifies WinLogon
Enumerates connected drives
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 12:30
Signatures
UPX 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
2024-06-22 12:30
Reported
2024-06-22 12:33
Platform
win7-20240508-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
UPX 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Enumerates connected drives
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} | C:\Windows\SysWOW64\reg.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} | C:\Windows\SysWOW64\reg.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} | C:\Windows\SysWOW64\reg.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ftpdll.dll | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_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\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | fewfwe.com | udp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
Files
memory/1612-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1708-2-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1612-1-0x0000000000570000-0x0000000000596000-memory.dmp
memory/2564-3-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | e5f213b4172136d57bbc5acd61e1eb4b |
| SHA1 | cacf694efb3225dd7c9487d3080c6ca9fc47d456 |
| SHA256 | ad93162f0fb1cfaee77f6b54c0a085ea23d55ff2de0f710cf19010724118a5a2 |
| SHA512 | 1ac58c07def555ded8927ceb19f13d01cc523fdfeeead5ee8bd94c4b03d12b93f668f5b948d7663041d5f5ff5adfd1d1cd8e926e258fdbbc80642f4fb7cd0ec6 |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1612-14-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1612-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1612-17-0x0000000000570000-0x0000000000596000-memory.dmp
memory/1708-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1612-20-0x0000000000570000-0x0000000000596000-memory.dmp
memory/2564-21-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1708-22-0x0000000000330000-0x0000000000356000-memory.dmp
memory/2656-23-0x0000000000400000-0x0000000000426000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 12:30
Reported
2024-06-22 12:33
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
54s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
UPX 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Enumerates connected drives
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Windows\SysWOW64\reg.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} | C:\Windows\SysWOW64\reg.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe" | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ftpdll.dll | C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_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\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02216515ad51b08a8ed8d28dffcd6207_JaffaCakes118.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | fewfwe.com | udp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
Files
memory/4360-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1172-1-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 24dc0aab64babc9ddf0d4a511e36f9e8 |
| SHA1 | f93572e603379eefb4f27f819ed516ac94db3def |
| SHA256 | 2250c42fa76e4327890a80d4b363004856fd7c1585ef3b18241a0a2969316be0 |
| SHA512 | 4d934b653949864a377ca29f208e17bf4c0913d4c85c1f1743bfb636679c56b622a585fbd7c1b594c740c45c22bb54adefa5112f694a105abbe0469fee9b9451 |
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/4360-13-0x0000000010000000-0x000000001010B000-memory.dmp
memory/4360-15-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1172-17-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4080-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-19-0x0000000000400000-0x0000000000426000-memory.dmp