Analysis Overview
SHA256
a41c1aa10cae622eedb44f9e0628a4205edb4229631efac00358e18e92a4ac96
Threat Level: Known bad
The file e59039c56c654c71398eadadabf4404f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: RenamesItself
System policy modification
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:19
Reported
2024-04-07 18:22
Platform
win10v2004-20240226-en
Max time kernel
93s
Max time network
119s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3666340 = "C:\\Users\\Public\\Music\\ff699e366\\ff699e366.exe" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4776 set thread context of 3656 | N/A | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/3656-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/3656-1-0x0000000000400000-0x000000000040C000-memory.dmp
memory/3656-3-0x0000000000400000-0x000000000040C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:19
Reported
2024-04-07 18:22
Platform
win7-20240221-en
Max time kernel
118s
Max time network
134s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\89d2ed7 = "C:\\Users\\Public\\Music\\abbcd489d\\abbcd489d.exe" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2488 set thread context of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59039c56c654c71398eadadabf4404f_JaffaCakes118.exe"
Network
Files
memory/2908-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2908-2-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2908-5-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2908-7-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2908-9-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2908-11-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2908-13-0x0000000000400000-0x000000000040C000-memory.dmp