Analysis
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max time kernel
158s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 05:45
Static task
static1
Behavioral task
behavioral1
Sample
cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe
Resource
win10v2004-20221111-en
General
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Target
cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe
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Size
92KB
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MD5
bec9e72caa8e6923f7ac8cc7bdb30f30
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SHA1
1a0d8ffe2865821424742a6710f493502a9ef1f5
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SHA256
cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913
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SHA512
21d51d14751788b844a978e7108a875e51014fa011e6d4608ceb7a3d866ac1c6cf84bae5ff6ba291cebf40029a4136c6cdce73cba6a65d48bf55c2ef035ac0c1
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SSDEEP
1536:XsZ10Sht4/+Haa9fHZK4RY7v1Q5kRdiI6RbO8xQQEVMCwirHFq+zCM1ioSJlIU:XuvhS/+HN9fHrW7uthbOuQQDelq+rios
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\sfuvnbd.dll cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.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\ColorizationColorBalance = "89" 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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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\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\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "240" 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\AccentColorMenu = "4292311040" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 480 cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2156 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe"C:\Users\Admin\AppData\Local\Temp\cb8dbe11d36c2b2ae285f53fb7c8c1a7934894dafccde7ebaf38d56b9c778913.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:480
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39d3055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2156
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C:\Windows\system32\werfault.exewerfault.exe /hc /shared Global\b106f0b742fa42c994d5978e5eab23fc /t 3384 /p 33561⤵PID:1768