Analysis Overview
SHA256
d56928748500c56bbb47036df0be3e37573a239e90eb4b54efa9a2b82df9f75e
Threat Level: Known bad
The file 021a6b5f59d2f15796b2a4b8f31eb929_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
Installs/modifies Browser Helper Object
Adds Run key to start application
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 12:23
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 12:23
Reported
2024-06-22 12:26
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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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/4996-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4476-1-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 4a40d7446c4a67e5fef1371ecb8565e4 |
| SHA1 | 4b77325d8f6868c74b04e99c0ed9cf59f1da4241 |
| SHA256 | 212864cb3cc9bd06ea84e94049b955e8207aa14a34e0987e4594c37b4eefe76f |
| SHA512 | 82bf7a39b74fe2ff0a73eb1c35362e3b8ec2fefb4129596feca8ad78464d1b434aa6bd7001f75a23681895f28d6040a9e2da8232f05346de72c6c8b5eed5efd8 |
memory/4572-8-0x0000000000400000-0x0000000000426000-memory.dmp
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/4996-14-0x0000000010000000-0x000000001010B000-memory.dmp
memory/4996-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4476-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4572-19-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3408-20-0x0000000000400000-0x0000000000426000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 12:23
Reported
2024-06-22 12:26
Platform
win7-20240508-en
Max time kernel
150s
Max time network
120s
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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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/1996-0-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2896-2-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1996-1-0x0000000000350000-0x0000000000376000-memory.dmp
memory/2896-3-0x0000000000350000-0x0000000000376000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | ee9a07db3a3725fce5a9aa2d0de4fb7f |
| SHA1 | dc37151d39cbb5f22a04f024509dc43fd9053181 |
| SHA256 | 6b6e5d3e286ccaef0abcf4c2d212097b3d9aa6bd6fd2219d66caa8e7be25c46b |
| SHA512 | 78b2a64d96e431d927ccc60bb795c549f162a18aaa8264ab20487d193771cb32f62e3998b6779ae8ff2cd462222679061cf76b056a6c1aa12150cdbd55561473 |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1996-14-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1996-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1996-18-0x0000000000350000-0x0000000000376000-memory.dmp
memory/2896-19-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2080-20-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2896-21-0x0000000000350000-0x0000000000376000-memory.dmp
memory/2668-22-0x0000000000400000-0x0000000000426000-memory.dmp