Analysis Overview
SHA256
8e5fd68b02e9750c95527143925ae9b98c9a103ef065d99d74354e93e599a13d
Threat Level: Known bad
The file 6ca1f6a00ac8875545d310f9616fc286_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
Modifies WinLogon
Adds Run key to start application
Enumerates connected drives
Installs/modifies Browser Helper Object
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
2024-05-23 23:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-23 23:29
Reported
2024-05-23 23:32
Platform
win7-20240220-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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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 | 52.71.57.184:80 | fewfwe.com | tcp |
| US | 8.8.8.8:53 | www.hugedomains.com | udp |
| US | 172.67.70.191:443 | www.hugedomains.com | tcp |
Files
memory/1728-0-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2688-2-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1728-1-0x0000000000230000-0x0000000000253000-memory.dmp
memory/2688-3-0x0000000000390000-0x00000000003B3000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 75c07a69e62ef36bcd5c50283fb5062c |
| SHA1 | 900b76de422674ebb8e31512fc101120ef721f7d |
| SHA256 | d8351175d853769c2d669756dcbb008ecfeb7d9daf6d024519b173ae64c74784 |
| SHA512 | 390df142758227955269f1c5a35835b912aa1f7bf1e16e1bd163bff7e2b44af54b793e0417465d46e2666b36f7babad2d386601b390b27941ae3f59f4d9566ce |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1728-14-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1728-18-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1728-19-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2688-20-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2984-21-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2596-22-0x0000000000400000-0x0000000000423000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-23 23:29
Reported
2024-05-23 23:32
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| BE | 88.221.83.200:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fewfwe.com | udp |
| US | 3.130.253.23:80 | fewfwe.com | tcp |
| US | 8.8.8.8:53 | www.hugedomains.com | udp |
| US | 8.8.8.8:53 | 23.253.130.3.in-addr.arpa | udp |
| US | 172.67.70.191:443 | www.hugedomains.com | tcp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
| US | 8.8.8.8:53 | 191.70.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 169.117.168.52.in-addr.arpa | udp |
Files
memory/1208-0-0x0000000000400000-0x0000000000423000-memory.dmp
memory/3896-1-0x0000000000400000-0x0000000000423000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 5d042c7888ea1dbdbeba321cf214a9d6 |
| SHA1 | 148a707c4cd86d7a97071ba37e97e66c351e4bd7 |
| SHA256 | 9ac07fe0b70e22d254f9e48c86b2d6b3cb7118226271c2d6968666d978da0136 |
| SHA512 | c9168d2c963cb4302e072b7472134eba54eda20b3664fa50c6edb7eb7635247a5aa2f5bed98ec6128a7339df0f8b1fee72589fd531da4df261bf52480d90d15c |
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1208-19-0x0000000010000000-0x000000001010B000-memory.dmp
memory/4080-20-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1208-22-0x0000000000400000-0x0000000000423000-memory.dmp
memory/3896-24-0x0000000000400000-0x0000000000423000-memory.dmp
memory/4376-25-0x0000000000400000-0x0000000000423000-memory.dmp
memory/4080-26-0x0000000000400000-0x0000000000423000-memory.dmp