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Analysis
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max time kernel
15s -
max time network
46s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 18:15
Static task
static1
Behavioral task
behavioral1
Sample
e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe
Resource
win10v2004-20240226-en
Errors
General
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Target
e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe
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Size
88KB
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MD5
e58da64e1e68ce9edcd419b3512835a4
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SHA1
2dacd341b3a2856cec19fdf9dd8f4eae12ec0e5f
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SHA256
74c5f66fe419826b6fabe10bd1388c02e1a1580a718e9c759f265bc96964a4d4
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SHA512
08305e4b1e4f3ad5e8e10eb4f02cbd06f76faf99553e790747dca57b5a4a8081072b7aa28b809b434e60a8944099a2d9633269c6acd03e821bfd77373bcd6aaa
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SSDEEP
1536:xhryJTgwUH8Cdk77Uk/kh6lwJ40INXuaOLRRq1Rtcw+o4zyo:PrPQ77Oh20uXALRg1Iw+o4yo
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\qfhkdmj.dll e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\ColorizationBlurBalance = "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\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\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\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\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "124" 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 2220 e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4600 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e58da64e1e68ce9edcd419b3512835a4_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2220
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3998055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4600