Analysis Overview
SHA256
bea4db0dc6396de59f48299344940d61cc0f3379d7a36b9e363ef88f8dd14a66
Threat Level: Known bad
The file 02345e646bdcfe35838f764c881b8576_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Sets service image path in registry
Drops file in Drivers directory
UPX packed file
Loads dropped DLL
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 12:52
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: behavioral2
Detonation Overview
Submitted
2024-06-22 12:52
Reported
2024-06-22 12:54
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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/3980-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1848-1-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 4e37179df2799307cae0bcf0d3bd09b3 |
| SHA1 | 8a4ea193b0af75a2c027920e2ad37877a5796e35 |
| SHA256 | 7589d6a8ba92a8bba1c189c0df193f06d34c1a3f702981123223b822932210d6 |
| SHA512 | 7e58515a8bd55eba99d46eba5c231247a0bae52c9550432bcb7880dec5a8a1ae08556d3bedf3dfbb3cf62e38d0d3d2bc2730ecea56ad60001c95bd5c6ef1d8d5 |
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/3980-13-0x0000000010000000-0x000000001010B000-memory.dmp
memory/3980-15-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1848-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2924-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/748-19-0x0000000000400000-0x0000000000426000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 12:52
Reported
2024-06-22 12:54
Platform
win7-20240508-en
Max time kernel
150s
Max time network
119s
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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_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\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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 | 34.205.242.146:80 | fewfwe.com | tcp |
| US | 8.8.8.8:53 | www.hugedomains.com | udp |
| US | 104.26.7.37:443 | www.hugedomains.com | tcp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
Files
memory/2740-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2740-1-0x0000000000230000-0x0000000000256000-memory.dmp
memory/2988-2-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 3e220ec5539bd6df9ac4d9176f798be2 |
| SHA1 | 3c5bb347c4f3e9f81db7b33edbd9caf2bc1499d3 |
| SHA256 | 6109e823afde719d2aa5ee30ec4e378b465c01a93fb19e20742b7de086e0d4bb |
| SHA512 | c8a4979379c78fa541dbcb0d068bf1367c10db5790d33bfcf3c87f65e9aaf10762e0e8255814197e433eae2de21e35fef0eac7a44b737529de58f4334b4eea65 |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/2740-28-0x0000000010000000-0x000000001010B000-memory.dmp
memory/2740-32-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2740-34-0x0000000000230000-0x0000000000256000-memory.dmp
memory/2988-35-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2744-36-0x0000000000400000-0x0000000000426000-memory.dmp