Analysis Overview
SHA256
4ca6f2cc6e3d505a090a6ef2c0ac52ce791ef1bd92cfab070ee64398201ca2da
Threat Level: Known bad
The file 4eaf50c87be3b9145fadad19a1145234_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Xtremerat family
XtremeRAT
Detect XtremeRAT payload
Boot or Logon Autostart Execution: Active Setup
Adds Run key to start application
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-16 14:16
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xtremerat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-16 14:16
Reported
2024-07-16 14:18
Platform
win7-20240705-en
Max time kernel
150s
Max time network
131s
Command Line
Signatures
Detect XtremeRAT payload
| 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 |
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O} | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O}\StubPath = "C:\\Windows\\system32\\InstallSys\\System.exe restart" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O}\StubPath = "C:\\Windows\\system32\\InstallSys\\System.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallSys\System.exe | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallSys\System.exe | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp |
Files
memory/2352-4-0x0000000000C80000-0x0000000000CA0000-memory.dmp
memory/2352-5-0x0000000000C80000-0x0000000000CA0000-memory.dmp
C:\Windows\SysWOW64\InstallSys\System.exe
| MD5 | 4eaf50c87be3b9145fadad19a1145234 |
| SHA1 | d6584468a0065a01d410a9979bec12848d5c095a |
| SHA256 | 4ca6f2cc6e3d505a090a6ef2c0ac52ce791ef1bd92cfab070ee64398201ca2da |
| SHA512 | c56c13180e345e45f0d62309aa0936f061793c9919cc4bca93914ec7d160a0651cb481fbefb469830e169deb84e10a126f050d7549baf603972f8b3be9ba9321 |
memory/2400-9-0x0000000000C80000-0x0000000000CA0000-memory.dmp
memory/2436-10-0x0000000000C80000-0x0000000000C9FF0A-memory.dmp
memory/2400-12-0x0000000000C80000-0x0000000000CA0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-16 14:16
Reported
2024-07-16 14:18
Platform
win10v2004-20240709-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
Detect XtremeRAT payload
| 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 |
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O}\StubPath = "C:\\Windows\\system32\\InstallSys\\System.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O} | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{30VO5L7E-388N-O6R7-3GY1-UNJ33L14285O}\StubPath = "C:\\Windows\\system32\\InstallSys\\System.exe restart" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallSys\\System.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallSys\System.exe | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallSys\System.exe | C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4eaf50c87be3b9145fadad19a1145234_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | momo44.no-ip.biz | udp |
Files
memory/3020-3-0x0000000000C80000-0x0000000000CA0000-memory.dmp
C:\Windows\SysWOW64\InstallSys\System.exe
| MD5 | 4eaf50c87be3b9145fadad19a1145234 |
| SHA1 | d6584468a0065a01d410a9979bec12848d5c095a |
| SHA256 | 4ca6f2cc6e3d505a090a6ef2c0ac52ce791ef1bd92cfab070ee64398201ca2da |
| SHA512 | c56c13180e345e45f0d62309aa0936f061793c9919cc4bca93914ec7d160a0651cb481fbefb469830e169deb84e10a126f050d7549baf603972f8b3be9ba9321 |
memory/2436-5-0x0000000000C80000-0x0000000000CA0000-memory.dmp
memory/2520-6-0x0000000000C80000-0x0000000000C9FF0A-memory.dmp
memory/2436-8-0x0000000000C80000-0x0000000000CA0000-memory.dmp