Analysis Overview
SHA256
e4365861c0df9648d074180d77d4deda2cfcf28f9c0aad4f4d72966e5051a1c4
Threat Level: Likely malicious
The file e3913d80a19c252a84060bd9357dc727_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Modifies AppInit DLL entries
Drops file in System32 directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 23:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:41
Reported
2024-04-06 23:44
Platform
win7-20240221-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1800 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1800 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1800 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1800 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 152
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:41
Reported
2024-04-06 23:42
Platform
win10v2004-20240226-en
Max time kernel
3s
Max time network
4s
Command Line
Signatures
Modifies AppInit DLL entries
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\iqcgtvb.dll | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "24" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\LogonUI.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3913d80a19c252a84060bd9357dc727_JaffaCakes118.exe"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39af855 /state1:0x41c64e6d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.74.98.193:443 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/1168-0-0x0000000001000000-0x0000000001013800-memory.dmp
memory/1168-1-0x0000000001000000-0x0000000001014000-memory.dmp
memory/1168-2-0x0000000001000000-0x0000000001013800-memory.dmp
memory/1168-3-0x00000000006A0000-0x00000000006A1000-memory.dmp