Analysis Overview
SHA256
74c5f66fe419826b6fabe10bd1388c02e1a1580a718e9c759f265bc96964a4d4
Threat Level: Likely malicious
The file e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Modifies AppInit DLL entries
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:15
Reported
2024-04-07 18:15
Platform
win7-20240221-en
Max time kernel
7s
Max time network
10s
Command Line
Signatures
Modifies AppInit DLL entries
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\utghqme.dll | C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
Network
Files
memory/1992-0-0x0000000001000000-0x0000000001017000-memory.dmp
memory/1992-1-0x0000000001000000-0x0000000001017000-memory.dmp
memory/1992-2-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1992-3-0x0000000001000000-0x0000000001017000-memory.dmp
memory/2508-6-0x0000000002AC0000-0x0000000002AC1000-memory.dmp
memory/2604-7-0x0000000002820000-0x0000000002821000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:15
Reported
2024-04-07 18:15
Platform
win10v2004-20240226-en
Max time kernel
15s
Max time network
46s
Command Line
Signatures
Modifies AppInit DLL entries
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\qfhkdmj.dll | C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | 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\ColorizationBlurBalance = "1" | 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 |
| 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 |
| 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\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 (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\ColorizationColorBalance = "89" | 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\DWM\EnableWindowColorization = "124" | 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_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\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3998055 /state1:0x41c64e6d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
Files
memory/2220-1-0x0000000001000000-0x0000000001017000-memory.dmp
memory/2220-0-0x0000000001000000-0x0000000001017000-memory.dmp
memory/2220-2-0x0000000000E30000-0x0000000000E31000-memory.dmp
memory/2220-3-0x0000000001000000-0x0000000001017000-memory.dmp