Analysis
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max time kernel
3s -
max time network
4s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 15:52
Static task
static1
Behavioral task
behavioral1
Sample
3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe
Resource
win10v2004-20240709-en
Errors
General
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Target
3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe
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Size
100KB
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MD5
3e00841edf05ad65bc44b498efc28632
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SHA1
41814a3b3174cb04b2874f09b3640d8288bc55f7
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SHA256
3a3befbfd85c5fb616e028b3b83fa9504b64dd5d350d7f7ad7ab4ea20a55b813
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SHA512
9edcbbfded78f649cd4496fafec216864d6c3d33c4699b88c5c0e3fe41feff662ad5e9cfd062e67d81d052a3bc057b5493bf43ae6b9ff751b3138a614d13d2e2
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SSDEEP
1536:uPEznp61trznL7qkOd0IpYi+KO27rknLxyEVojDhH1MyDXLHoXSSSeSSS+y:EYpulXFYurSkFybt17rLHof
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\wyfxtil.dll 3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "227" 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\DWM\ColorizationColorBalance = "89" 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 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\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\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\ColorizationColor = "3288365271" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3040 3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2444 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3e00841edf05ad65bc44b498efc28632_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3040
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39a8855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2444