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
19/09/2024, 03:14
Static task
static1
Behavioral task
behavioral1
Sample
ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe
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Size
104KB
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MD5
ea7af61e50a2a776017a25ce2519aa5f
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SHA1
1cc569f1659ed66a5ec47fb95b459755177494c5
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SHA256
89cfd9fabddbd52a9ed3da7b7f710f886026f73dfb3a05864f2b474c09f53342
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SHA512
198af00322c12d21760483aaf6884a0efacac62d6601ba4966c7555a5d6caf16a26d897d57c437afbdc5190ec157540b2629be2e8979a603794d34222e484788
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SSDEEP
1536:AyQreSBsD27I5/sXBEW7ZcZ/xjj86ieheC1yceu+nBgyoDPj6mQ:AyQFWD27I5UxbQI6i6eCRebBgyoD0
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\rlasrvn.dll ea7af61e50a2a776017a25ce2519aa5f_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 ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" 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\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\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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\Themes\History\AutoColor = "0" 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "198" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3060 ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 688 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ea7af61e50a2a776017a25ce2519aa5f_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3060
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa398a855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:688