Analysis Overview
SHA256
3f0f63dd4f7b861b593aa135f328eb1fa77031aa2ec7c341c3994a2641679827
Threat Level: Known bad
The file 01fb41468fd4eb3367e371cafc27e328_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
Loads dropped DLL
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Adds Run key to start application
Installs/modifies Browser Helper Object
Enumerates connected drives
Modifies WinLogon
Drops file in System32 directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 11:45
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 11:45
Reported
2024-06-22 11:48
Platform
win7-20240611-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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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 |
| 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\01fb41468fd4eb3367e371cafc27e328_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 |
| 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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\{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 |
| 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 |
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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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 | 52.86.6.113:80 | fewfwe.com | tcp |
Files
memory/840-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2560-2-0x0000000000400000-0x0000000000426000-memory.dmp
memory/840-1-0x00000000001C0000-0x00000000001E6000-memory.dmp
memory/2612-3-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2688-4-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 90f14e84308bae80965b3e8fd72914c6 |
| SHA1 | 00615f1f2256b6ccf07772bb86a31a89f7327a6c |
| SHA256 | df3c63996d5368d176d87304a42a4dc4eacec1da5b8e6e2fb0c8960531a78a4f |
| SHA512 | b71de52580a69ccf4bfc7879b7d8177bcfb0311f46c1523c5bfecc3f9f17b4fa28e29b4faa66a81fd3a2e9bfaf63073547606cce9ba6e01bcd63d9fd046eb601 |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/840-15-0x0000000010000000-0x000000001010B000-memory.dmp
memory/840-18-0x0000000010000000-0x000000001010B000-memory.dmp
memory/840-17-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2560-19-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2612-20-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2688-21-0x0000000000400000-0x0000000000426000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 11:45
Reported
2024-06-22 11:48
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
50s
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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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 | fewfwe.com | udp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
Files
memory/1328-0-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 4477469654cfa830c4ac4ac5743a01cd |
| SHA1 | d85f070d5fe18bc206d987cdfe36df82b663076f |
| SHA256 | fb6f4e83a386da310d4418743fc8379e3a6f2158c1c0a37e97c49b657dfe1c51 |
| SHA512 | 6da0f33935cc9c87e1577f48785165c26484a6fb0ff0d661597bcc3b61fe17fc44734a993a058986554ccf22463c153c1cea177315078cb1b3f67beaaf469ecb |
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1328-12-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1328-14-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3672-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1800-17-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1240-18-0x0000000000400000-0x0000000000426000-memory.dmp