Analysis Overview
SHA256
c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7
Threat Level: Known bad
The file 3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Boot or Logon Autostart Execution: Active Setup
UPX packed file
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-11 20:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 20:18
Reported
2024-07-11 20:21
Platform
win7-20240705-en
Max time kernel
145s
Max time network
122s
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 |
| 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\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02} | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.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 |
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\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2072 set thread context of 2060 | N/A | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.webserver.com | udp |
| US | 199.191.50.166:80 | www.webserver.com | tcp |
| US | 8.8.8.8:53 | marques444.no-ip.org | udp |
| US | 199.191.50.166:80 | www.webserver.com | tcp |
| US | 8.8.8.8:53 | exploreinquiry.com | udp |
| US | 208.91.196.46:443 | exploreinquiry.com | tcp |
| US | 8.8.8.8:53 | www.afternic.com | udp |
| GB | 184.28.198.219:80 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
| GB | 184.28.198.219:443 | www.afternic.com | tcp |
Files
memory/2060-2-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/2060-4-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/2060-5-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/2060-6-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/1712-15-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/1712-13-0x0000000000C80000-0x0000000000C96000-memory.dmp
C:\Windows\SysWOW64\InstallDir\Server.exe
| MD5 | 3a93a068a71b24d5a2623e100e8e0507 |
| SHA1 | d388c15e21b1442f9bc5b998eb7357d438071751 |
| SHA256 | c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7 |
| SHA512 | 70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81 |
memory/2684-19-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/2060-20-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/2684-22-0x0000000000C80000-0x0000000000C96000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 20:18
Reported
2024-07-11 20:21
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
151s
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 |
| 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\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02} | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{U2O7838D-035H-N5JS-VH18-I5B57GCENF02}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.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 |
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\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4168 set thread context of 4008 | N/A | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4168 -ip 4168
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 480
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.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 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.webserver.com | udp |
| US | 199.191.50.166:80 | www.webserver.com | tcp |
| US | 8.8.8.8:53 | 166.50.191.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | exploreinquiry.com | udp |
| US | 208.91.196.46:443 | exploreinquiry.com | tcp |
| US | 8.8.8.8:53 | 46.196.91.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.afternic.com | udp |
| GB | 184.28.198.202:80 | www.afternic.com | tcp |
| GB | 184.28.198.202:443 | www.afternic.com | tcp |
| US | 8.8.8.8:53 | 23.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.198.28.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4008-2-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4008-4-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4008-5-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4008-6-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3828-13-0x0000000000C80000-0x0000000000C96000-memory.dmp
C:\Windows\SysWOW64\InstallDir\Server.exe
| MD5 | 3a93a068a71b24d5a2623e100e8e0507 |
| SHA1 | d388c15e21b1442f9bc5b998eb7357d438071751 |
| SHA256 | c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7 |
| SHA512 | 70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81 |
memory/4128-15-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4008-16-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4128-18-0x0000000000C80000-0x0000000000C96000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Y3isd.xtr
| MD5 | 871a14803ae290ce245a4c34b5eb0913 |
| SHA1 | f6dc9632013b2ff178943df28481db578953c071 |
| SHA256 | c24dff584436c3ac3b8afa922e6e80245a65c7523be9ea2674a51d3a0f092f36 |
| SHA512 | 236df3f21b1f4ff3be3fb761873b7ff847e4ca9c04bbb67173ab247787939924ed21d55c3f6d3049362e664c7b546d5ec3293ea700969751afd697bb08f49d4f |