Analysis Overview
SHA256
4fabbcaf141afb09f68b991f54e215ec35b1a4116444d066ec22c436bfb9d8cf
Threat Level: Known bad
The file 5843a5a9972869ae244e0f94624842c1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-18 16:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-18 16:53
Reported
2024-07-18 16:56
Platform
win10v2004-20240709-en
Max time kernel
140s
Max time network
124s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
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XtremeRAT
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{KP21UAYC-3EBG-0466-H0WL-30K1EUD77D6B} | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{KP21UAYC-3EBG-0466-H0WL-30K1EUD77D6B}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\calc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3452 set thread context of 3204 | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File created | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\calc.exe
calc.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2216 -ip 2216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1516 -ip 1516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2216 -ip 2216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 500
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1516 -ip 1516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 992
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/3204-2-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3204-3-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3204-4-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3204-5-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2216-6-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1516-7-0x0000000010000000-0x000000001004A000-memory.dmp
memory/3204-8-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1516-10-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1516-11-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2216-12-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1516-13-0x0000000010000000-0x000000001004A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-18 16:53
Reported
2024-07-18 16:56
Platform
win7-20240705-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1660 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1660 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1660 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1660 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 188