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Analysis
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max time kernel
5s -
max time network
6s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 08:59
Static task
static1
Behavioral task
behavioral1
Sample
f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe
Resource
win10v2004-20240412-en
Errors
General
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Target
f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe
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Size
90KB
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MD5
f9f5ed79eb3c639293d2594baee9c51c
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SHA1
1d8e10db6d63393295164ddce847aca0ad9b3f93
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SHA256
ed27bbe0f30e92a972def514aa432b2b78e06467479f8ad0b826b021d8ded48a
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SHA512
879009f0f4565e404025aa003a51fa330d2ae521b6f0a7bc6c1690bdcaec330ef0422679d863ce31c0c80d35040f4c0acac0fa11e8d85996c7c73669147d5cdc
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SSDEEP
1536:0y+yGpwKkA2XD+FyJ35+j/EmkLPaufu5O12WotI5BV0Cz:0kTN6FIgj/ErCufcWoan
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\vkfbing.dll f9f5ed79eb3c639293d2594baee9c51c_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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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 (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\AccentColorMenu = "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 = "122" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" 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\AccentColor = "4292311040" 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\ColorizationGlassAttribute = "1" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1872 f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 232 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9f5ed79eb3c639293d2594baee9c51c_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1872
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3986855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:232