Analysis
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max time kernel
2s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/08/2024, 09:50
Static task
static1
Behavioral task
behavioral1
Sample
c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe
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Size
96KB
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MD5
c07a3945ff704403d394bcfb82299ebe
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SHA1
179ac2fa247dab5111327a4ae7444a67c794ccfd
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SHA256
00b67c86ca4b05702c7bb0369bf51ce8df3f3ed444ba41b4870c61496ac0bc9a
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SHA512
f75d329deb0cca4059dcaad6e91a88f0fd9dbb7e0f90669a0317523204a00b8a2a848f54f6d20308150591def2639559b8eea31303ccab9aa063421c48eacf32
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SSDEEP
1536:jDUguNiqOFjGnRfhfm+Efb7nXXZutTXX3oaimRoja612J7P0uKGe0YFoxor:jDWNizAH5EfJCimv6QF7B1Y6xor
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\ynyrubj.dll c07a3945ff704403d394bcfb82299ebe_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 c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" 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\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe 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\AccentColorMenu = "4292311040" 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\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "66" 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\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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 4820 c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1144 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c07a3945ff704403d394bcfb82299ebe_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4820
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3977055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1144