Analysis Overview
SHA256
07bc6f8103736d804e382aeaaad737ef9319167521135bd180b569a1656f9eb7
Threat Level: Known bad
The file e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Adds autorun key to be loaded by Explorer.exe on startup
Loads dropped DLL
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 21:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 21:59
Reported
2024-04-06 22:01
Platform
win7-20240221-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Adds autorun key to be loaded by Explorer.exe on startup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\System = "{258B10D9-E9E5-4467-842E-9573FBF7E90D}" | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\csrss.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\kmc.dll | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| File created | C:\Windows\csrss.exe | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{258B10D9-E9E5-4467-842E-9573FBF7E90D}\InProcServer32\ = "kmc.dll" | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{258B10D9-E9E5-4467-842E-9573FBF7E90D}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{258B10D9-E9E5-4467-842E-9573FBF7E90D} | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\csrss.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2848 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
| PID 2848 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
| PID 2848 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
| PID 2848 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe"
C:\Windows\csrss.exe
C:\Windows\csrss.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | irc.foofle.net | udp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
Files
C:\Windows\csrss.exe
| MD5 | ccdd35b1de5c2120cfee6131cf177d1c |
| SHA1 | c9718bb0da8d8cb9d2e37da8f0d00bd85ab25882 |
| SHA256 | 21c0e0476808fc9bc7df33d525cb1073952ea4acf6dbd290759f67be1bff3289 |
| SHA512 | 0e74d71ee5e726b92b02c4759a331d4b67a126df9faf52cb169746404b58ddf1d3f4bd6a82ef557b71be3dd7c8c609c4a3e724a226cd3afd55f53d3c4b95ad18 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 21:59
Reported
2024-04-06 22:01
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Adds autorun key to be loaded by Explorer.exe on startup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\System = "{E51026E3-7709-40C1-B02F-6874A3BD2F19}" | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\csrss.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\kmc.dll | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| File created | C:\Windows\csrss.exe | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E51026E3-7709-40C1-B02F-6874A3BD2F19} | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E51026E3-7709-40C1-B02F-6874A3BD2F19}\InProcServer32\ = "kmc.dll" | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E51026E3-7709-40C1-B02F-6874A3BD2F19}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\csrss.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 872 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
| PID 872 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
| PID 872 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe | C:\Windows\csrss.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3614ba296c9b4a5cd4537c90f072865_JaffaCakes118.exe"
C:\Windows\csrss.exe
C:\Windows\csrss.exe
Network
| Country | Destination | Domain | Proto |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | irc.foofle.net | udp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| US | 8.8.8.8:53 | 8.192.122.92.in-addr.arpa | udp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
| US | 8.8.8.8:53 | 233.17.178.52.in-addr.arpa | udp |
| DE | 64.190.63.222:6667 | irc.foofle.net | tcp |
Files
C:\Windows\kmc.dll
| MD5 | 6a8bab35163020812bc332b14307f3a1 |
| SHA1 | 9e9218e2b36ebbe74edd92101a74aed5f9ab6c84 |
| SHA256 | 69c1c4ebea0829a8936a83c7f8f8704c168456b87da0a446bf34550bfdced349 |
| SHA512 | 8ba9ea1b9cc30d088a01d03f1c320a6ef202f6cc0938ffbfa7b59a22949f55694c3058055d8e6b72cb3016eb4bf4cdfd7b085d3c8a35a0d1496a737b4a61773a |
C:\Windows\csrss.exe
| MD5 | ccdd35b1de5c2120cfee6131cf177d1c |
| SHA1 | c9718bb0da8d8cb9d2e37da8f0d00bd85ab25882 |
| SHA256 | 21c0e0476808fc9bc7df33d525cb1073952ea4acf6dbd290759f67be1bff3289 |
| SHA512 | 0e74d71ee5e726b92b02c4759a331d4b67a126df9faf52cb169746404b58ddf1d3f4bd6a82ef557b71be3dd7c8c609c4a3e724a226cd3afd55f53d3c4b95ad18 |