Analysis Overview
SHA256
e83243f92f5509a1fa420a9162928afa77440f57d2886390866efce01b42cf81
Threat Level: Known bad
The file 3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
Xtremerat family
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
Adds Run key to start application
Drops file in Windows 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
2024-07-11 20:18
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
2024-07-11 20:18
Reported
2024-07-11 20:20
Platform
win7-20240704-en
Max time kernel
146s
Max time network
142s
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\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68} | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_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\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_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 | gto.no-ip.info | udp |
Files
memory/2544-5-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2544-7-0x0000000000C80000-0x0000000000C92000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 3a932f8a8f43b84143dc0ac039c82839 |
| SHA1 | 92da96271d3433c87584b90fc54b079254d236b5 |
| SHA256 | e83243f92f5509a1fa420a9162928afa77440f57d2886390866efce01b42cf81 |
| SHA512 | 87ca1b4d50e6c37a49759be063b3fbcd7b75643623d39da2e4faee935dae2e127a7c2cbe0a62d82ba3b6775ea527543406a7525a2c8c091bfc768b94e412095a |
memory/1904-11-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2416-12-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/1904-14-0x0000000000C80000-0x0000000000C92000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 20:18
Reported
2024-07-11 20:20
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
143s
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 |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68} | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1K5QEJSY-U784-26R4-O2A6-S1ND4476BN68} | C:\Windows\SysWOW64\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_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\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_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 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| 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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gto.no-ip.info | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.73.50.20.in-addr.arpa | udp |
Files
memory/4868-5-0x0000000000C80000-0x0000000000C92000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 3a932f8a8f43b84143dc0ac039c82839 |
| SHA1 | 92da96271d3433c87584b90fc54b079254d236b5 |
| SHA256 | e83243f92f5509a1fa420a9162928afa77440f57d2886390866efce01b42cf81 |
| SHA512 | 87ca1b4d50e6c37a49759be063b3fbcd7b75643623d39da2e4faee935dae2e127a7c2cbe0a62d82ba3b6775ea527543406a7525a2c8c091bfc768b94e412095a |
memory/3812-7-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/2056-8-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/3812-10-0x0000000000C80000-0x0000000000C92000-memory.dmp