Analysis
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max time kernel
3s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01/07/2024, 18:32
Static task
static1
Behavioral task
behavioral1
Sample
1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Errors
General
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Target
1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe
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Size
92KB
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MD5
1c0fc7d562272b9868f9bfa66951b041
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SHA1
ef825f49a60e2938582f7250e14c1ae25ba9611d
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SHA256
202e78ccca38742961bbb0ee898b1c86e6c97bbd8a68f3e999e13dca2d4ca94b
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SHA512
5b99e7806b4b37c6363f927caca3cb8f6d76bffa163181eed6d8b1d9a50cdd286a6637e96633a43a117d2b29dc8d52e40b6e6c5cacc2b95dbd3e1b7aade43c85
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SSDEEP
1536:TSg+lVENijJhf8hcjPtOi1ozTdcwZfxchkXcM31VqOj8FIGoCJlIU:TSgmVEMjXEhQs1HchkXX7qOzGoCJlIU
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\elnwtgk.dll 1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" 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\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\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\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 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "95" 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 1804 1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2464 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c0fc7d562272b9868f9bfa66951b041_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1804
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39b7855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2464