Analysis Overview
SHA256
88eb34479681acb3a962280bb5ea34deb12a9f6d22f174784de29576416ba1fe
Threat Level: Shows suspicious behavior
The file 05b39b71b09620e172ad8ed441349a7b_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 11:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 11:47
Reported
2024-06-20 11:50
Platform
win7-20240611-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.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\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1208 set thread context of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe |
| PID 2856 set thread context of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.caracasfitness.com | udp |
| US | 15.197.148.33:80 | www.caracasfitness.com | tcp |
Files
memory/1208-0-0x0000000000400000-0x0000000000463000-memory.dmp
memory/1208-16-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2856-15-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2856-13-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2856-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2856-7-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2856-5-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2856-3-0x0000000000400000-0x000000000040F000-memory.dmp
memory/3052-19-0x0000000000400000-0x0000000000404000-memory.dmp
memory/3052-26-0x0000000000400000-0x0000000000404000-memory.dmp
memory/3052-23-0x0000000000400000-0x0000000000404000-memory.dmp
memory/3052-21-0x0000000000400000-0x0000000000404000-memory.dmp
memory/2856-30-0x0000000000230000-0x0000000000293000-memory.dmp
memory/3052-29-0x0000000000400000-0x0000000000404000-memory.dmp
memory/2856-31-0x0000000000400000-0x000000000040F000-memory.dmp
memory/3052-34-0x0000000000400000-0x0000000000404000-memory.dmp
memory/3052-35-0x0000000000400000-0x0000000000404000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost64.exe
| MD5 | e89f75f918dbdcee28604d4e09dd71d7 |
| SHA1 | f9d9055e9878723a12063b47d4a1a5f58c3eb1e9 |
| SHA256 | 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023 |
| SHA512 | 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0 |
memory/3052-44-0x0000000000400000-0x0000000000404000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 11:47
Reported
2024-06-20 11:50
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.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\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3552 set thread context of 1520 | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe |
| PID 1520 set thread context of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05b39b71b09620e172ad8ed441349a7b_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.caracasfitness.com | udp |
Files
memory/3552-0-0x0000000000400000-0x0000000000463000-memory.dmp
memory/1520-3-0x0000000000400000-0x000000000040F000-memory.dmp
memory/3552-6-0x0000000000400000-0x0000000000463000-memory.dmp
memory/1520-5-0x0000000000400000-0x000000000040F000-memory.dmp
memory/4056-9-0x0000000000400000-0x0000000000404000-memory.dmp
memory/1520-12-0x0000000000400000-0x000000000040F000-memory.dmp
memory/4056-14-0x0000000000400000-0x0000000000404000-memory.dmp
memory/4056-15-0x0000000000400000-0x0000000000404000-memory.dmp
memory/4056-18-0x0000000000400000-0x0000000000404000-memory.dmp