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Analysis
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max time kernel
3s -
max time network
4s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2024, 17:59
Static task
static1
Behavioral task
behavioral1
Sample
c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe
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Size
88KB
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MD5
c9548d21a9af8c18a70fba9c5969aa5c
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SHA1
187e2af1abfe88100e0c6382b66841331c4b351d
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SHA256
9f835d38e844c664b5df2eba0beca72af1cfec29f54f1ee58aa4624af39f9d59
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SHA512
e7fe39b4d2ae6e0fff08924f730cde8e873c05cbd6b58655a7c32ac30afbf4d26d6f3c77922fa949dbc27b3f55b1f0200e0519e876f3218bed4ca2009415c191
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SSDEEP
1536:vCkOzM0lWn5G+eXgwy5vx6+09DebqtgZcJqoPCwwUuGDEEEC7xZopSluTHT9KoTX:vCkOjA6XhGGDe+gpzGDBEC7oEkrhKoTX
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\ybembyd.dll c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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\CurrentVersion\Themes\History\AutoColor = "0" 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\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 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\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "200" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 4652 c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4908 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c9548d21a9af8c18a70fba9c5969aa5c_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa399b055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4908