Analysis Overview
SHA256
a822983160e3cf62855ada9d9edb8e06369eb9cdb23b2b133b98b86ca04fffc5
Threat Level: Known bad
The file 03df027cc9de1de0a3ee5c3b49996217_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Installs/modifies Browser Helper Object
Drops file in Windows directory
Unsigned PE
Modifies Internet Explorer settings
Modifies registry key
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 07:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 07:04
Reported
2024-06-20 07:07
Platform
win7-20240419-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\SysWOW64\reg.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\ | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\WINDOWS\addins\MediaPlay.dll | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass\Clsid | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe
"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\syswow64\REGSVR32.EXE
C:\Windows\syswow64\REGSVR32.EXE /s C:\WINDOWS\addins\MediaPlay.dll
Network
| Country | Destination | Domain | Proto |
| BR | 200.183.154.2:80 | tcp | |
| BR | 200.183.154.2:80 | tcp | |
| KR | 211.179.234.210:8000 | 211.179.234.210 | tcp |
Files
memory/2148-2-0x0000000003D50000-0x0000000004DB2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 07:04
Reported
2024-06-20 07:06
Platform
win10v2004-20240508-en
Max time kernel
45s
Max time network
37s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\SysWOW64\reg.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\WINDOWS\addins\MediaPlay.dll | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass\Clsid | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe
"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\SysWOW64\REGSVR32.EXE
C:\Windows\syswow64\REGSVR32.EXE /s C:\WINDOWS\addins\MediaPlay.dll
Network
| Country | Destination | Domain | Proto |
| BR | 200.183.154.2:80 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| KR | 211.179.234.210:8000 | tcp |