Analysis
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max time kernel
3s -
max time network
5s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2024 23:40
Static task
static1
Behavioral task
behavioral1
Sample
2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe
Resource
win10v2004-20240704-en
Errors
General
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Target
2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe
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Size
100KB
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MD5
2e3eb67d4a6d51da81bb2900c64675ef
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SHA1
c01e5e7b1574fabc276ba775b0f634cc76c9674f
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SHA256
79fe65670e2d0708a19e34365521de1d76c366219602d7da86502fe848b906db
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SHA512
471604a3e0742d1f49bac2f4498a08a1f8a51d5776392843d41b242e5d8a98146c530389cf3f65aa10dd884493a2122ba02f17eb7e13c11d99bd459a68b70764
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SSDEEP
1536:Ghsq/bmXYJK2qCqT7GXpVL9wH0oHdpLC5IxMg0Yl5Lgo4zHYRIA:GbmIJK2NpVK0o9pAIxx0YPLgo47Y
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ctxayrf.dll 2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "150" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3744 2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 688 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2e3eb67d4a6d51da81bb2900c64675ef_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3744
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3997055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:688