Analysis Overview
SHA256
1709ea6b422a8faf8c6b89a3e88137b5f5a65e89c43c6583ff832b06dcd9995e
Threat Level: Known bad
The file 9097510a9531afa9cdcac7c2b63a5953_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
Modifies WinLogon
Adds Run key to start application
Enumerates connected drives
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-03 04:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 04:53
Reported
2024-06-03 04:55
Platform
win10v2004-20240426-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\Shell = "Explorer.exe" | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fewfwe.com | udp |
| US | 3.19.116.195:80 | fewfwe.com | tcp |
| US | 8.8.8.8:53 | www.hugedomains.com | udp |
| US | 104.26.6.37:443 | www.hugedomains.com | tcp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
| US | 8.8.8.8:53 | 195.116.19.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.6.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2968-0-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2744-1-0x0000000000400000-0x0000000000423000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 9909a92cb858a25ec4ccfee260b61b8b |
| SHA1 | 60b9e6ef20e21cc5461351555462848795abbd5a |
| SHA256 | e7fed9619c1ecfae21aad7d91c9e3e7c722cbf3a2bd204bdc64b602f6ebd4c53 |
| SHA512 | 4aeda91ea40ce6151b3e82a1d6c62d38a4766e6d8b5d9541671d98cacf2cd814c7c9f6dd6c8dadc094eb3c4f623b4effa5d8eaa43f566f27a8695fdb3e29f747 |
memory/1348-8-0x0000000000400000-0x0000000000423000-memory.dmp
C:\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/2968-20-0x0000000010000000-0x000000001010B000-memory.dmp
memory/2968-21-0x0000000010000000-0x000000001010B000-memory.dmp
memory/2968-22-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2744-24-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1348-25-0x0000000000400000-0x0000000000423000-memory.dmp
memory/2096-26-0x0000000000400000-0x0000000000423000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 04:53
Reported
2024-06-03 04:55
Platform
win7-20240508-en
Max time kernel
150s
Max time network
122s
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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\drivers\spools.exe | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" | C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_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\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\9097510a9531afa9cdcac7c2b63a5953_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 | 3.19.116.195:80 | fewfwe.com | tcp |
| US | 8.8.8.8:53 | www.hugedomains.com | udp |
| US | 104.26.6.37:443 | www.hugedomains.com | tcp |
| US | 8.8.8.8:53 | fewfwe.net | udp |
Files
memory/1088-0-0x0000000000400000-0x0000000000423000-memory.dmp
memory/3044-2-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1088-1-0x0000000000260000-0x0000000000283000-memory.dmp
memory/1380-3-0x00000000003D0000-0x00000000003F3000-memory.dmp
C:\Users\Admin\AppData\Local\cftmon.exe
| MD5 | 8d9dd59903b445cbfe899bc14e33d996 |
| SHA1 | 96e97ffbe6be35917c772432bd04a902b39866d6 |
| SHA256 | be0f3c3d7a9e706e5ced5a7cd0dfe8fe65bd923072852dd8f639df04935dc646 |
| SHA512 | 7a59143404c03f2d49039c3fef18098ab66610ab8a0b0276ca19408c1c5faaa246c65100ad8176a8efe3023a0e6dbb17f298df3ce6ea10b48127ac6cc31a7f54 |
\Windows\SysWOW64\ftpdll.dll
| MD5 | d807aa04480d1d149f7a4cac22984188 |
| SHA1 | ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9 |
| SHA256 | eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb |
| SHA512 | 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e |
memory/1088-29-0x0000000010000000-0x000000001010B000-memory.dmp
memory/1088-33-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1088-34-0x0000000000260000-0x0000000000283000-memory.dmp
memory/1380-35-0x0000000000400000-0x0000000000423000-memory.dmp
memory/3044-38-0x0000000000400000-0x0000000000423000-memory.dmp
memory/1088-37-0x0000000000260000-0x0000000000283000-memory.dmp
memory/2252-39-0x0000000000400000-0x0000000000423000-memory.dmp