Analysis Overview
SHA256
c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43
Threat Level: Known bad
The file 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Boot or Logon Autostart Execution: Active Setup
Deletes itself
Writes to the Master Boot Record (MBR)
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-12 04:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-12 04:57
Reported
2024-07-12 04:59
Platform
win7-20240705-en
Max time kernel
149s
Max time network
150s
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 |
| 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 |
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe restart" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE} | C:\Windows\SysWOW64\explorer.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.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\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2276 set thread context of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe |
| PID 2380 set thread context of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_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\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_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 | finders.hopto.org | udp |
Files
memory/2380-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2380-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2380-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2380-6-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2380-4-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2380-14-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1980-22-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-21-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-20-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-19-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-18-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-17-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2380-29-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1980-28-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-27-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-26-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-23-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1980-31-0x0000000000400000-0x0000000000436000-memory.dmp
memory/2024-34-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2308-37-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2308-41-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2308-40-0x0000000010000000-0x000000001004A000-memory.dmp
C:\Users\Admin\AppData\Roaming\Google Updates\cssrs.exe
| MD5 | 3c0d8ae00bf66229b3d7f1fdd8049adc |
| SHA1 | 7b97581fdfb7e1de3b89c7e6d228ba9fb66291fb |
| SHA256 | c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43 |
| SHA512 | 4c17663cb701c78bdbdff081f8481451513a718f37ac5b52c1d3e93dab61650e7813677f0bbd00f987a2595228660904eb4ceb1981623036f0516d36b870afb8 |
memory/2024-43-0x0000000010000000-0x000000001004A000-memory.dmp
memory/2308-44-0x0000000010000000-0x000000001004A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-12 04:57
Reported
2024-07-12 04:59
Platform
win10v2004-20240709-en
Max time kernel
149s
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 |
| 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\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE} | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe restart" | C:\Windows\SysWOW64\explorer.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4488 set thread context of 1844 | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe |
| PID 1844 set thread context of 1704 | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe |
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\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_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\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4496 -ip 4496
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 484
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4496 -ip 4496
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 492
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/1844-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1844-4-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1704-7-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1704-8-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1704-9-0x0000000010000000-0x000000001004A000-memory.dmp
memory/1844-10-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1704-12-0x0000000000400000-0x0000000000436000-memory.dmp
memory/4496-13-0x0000000010000000-0x000000001004A000-memory.dmp
memory/112-14-0x0000000010000000-0x000000001004A000-memory.dmp
memory/4496-17-0x0000000010000000-0x000000001004A000-memory.dmp
memory/112-18-0x0000000010000000-0x000000001004A000-memory.dmp
memory/112-19-0x0000000010000000-0x000000001004A000-memory.dmp
memory/112-20-0x0000000010000000-0x000000001004A000-memory.dmp