Analysis
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max time kernel
7s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 12:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
204d30524a7ff228a365f9972b0a3984.exe
Resource
win7-20231215-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
204d30524a7ff228a365f9972b0a3984.exe
Resource
win10v2004-20231222-en
5 signatures
150 seconds
Errors
Reason
Machine shutdown
General
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Target
204d30524a7ff228a365f9972b0a3984.exe
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Size
88KB
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MD5
204d30524a7ff228a365f9972b0a3984
-
SHA1
33f0b9a1061b8ca87767ea740d1b14897380a68f
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SHA256
e785d07177a9575ef97efa6c92dadd7a2b44968fa549363e556c7737fbc8f63f
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SHA512
23021130cdff4100435f35c8ea928495a2dc0df139953108186edb41f5b65173068b52c82875ed74f81780cbee55c9a633b2b02d0ab84a3167951c04861ec83e
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SSDEEP
1536:ICiFSpQAs6z+gtqYPG7RKed7MXmLyjSxvVW5L/wl4b7o:IVFSrzfIQexMdYvV+/wlA7o
Score
8/10
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\zpbfrum.dll 204d30524a7ff228a365f9972b0a3984.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\Themes\History\AutoColor = "0" 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\ColorizationGlassAttribute = "1" 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\AccentColor = "4292311040" 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\Explorer\Accent\StartColorMenu = "4288567808" 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\EnableWindowColorization = "248" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History 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\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1924 204d30524a7ff228a365f9972b0a3984.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1404 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\204d30524a7ff228a365f9972b0a3984.exe"C:\Users\Admin\AppData\Local\Temp\204d30524a7ff228a365f9972b0a3984.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1924
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39a2055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1404