Analysis
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max time kernel
3s -
max time network
5s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 01:08
Static task
static1
Behavioral task
behavioral1
Sample
b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe
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Size
92KB
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MD5
b195b38085c5b803f6c9ebff2732b612
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SHA1
e5a59e888306e9f5cef686f1c7d41cf06b1d55aa
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SHA256
2a8291d80568b34d2a60480fdcd386062998527b13e9d78fe53bcb14e044b086
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SHA512
97bea0f4301f88e7863902acfec032f01bc614ac17303a375f11cbadcc3a784f51f844026c8c7850b2f179cd89cb15d8c0f1f3353590d1def90f69eaf3fb98d8
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SSDEEP
1536:8t2scxu6EsOFgTFfa9egpf6XTMuhHk60upaUW+bVBZrYV0oJale:8t2scxu6EsOFgTFfa9lN6XTMiE600LVX
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\ykwfvof.dll b195b38085c5b803f6c9ebff2732b612_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 b195b38085c5b803f6c9ebff2732b612_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\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\EnableWindowColorization = "200" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History 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 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 912 b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3992 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b195b38085c5b803f6c9ebff2732b612_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:912
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3998855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3992