Analysis
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max time kernel
45s -
max time network
85s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 17:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2fbd1c6cee04db333be5e1594e822281.exe
Resource
win7-20231129-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
2fbd1c6cee04db333be5e1594e822281.exe
Resource
win10v2004-20231215-en
5 signatures
150 seconds
Errors
Reason
Machine shutdown
General
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Target
2fbd1c6cee04db333be5e1594e822281.exe
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Size
78KB
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MD5
2fbd1c6cee04db333be5e1594e822281
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SHA1
15731243d404c4bb28a59acd24ac76f1cc310909
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SHA256
e47c56941ef5ad167405b47226460f024dadc64fc75cea0d337b7507262cd9e6
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SHA512
02d70dd08b6ac2547a4e73fce47e172c0961154c41f026de206fc11a7ea51129e122912eff2deb501c07a0fc87a4c656ce878686652b9b9782ce25618f36eefb
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SSDEEP
1536:oWG/sG8SWaS8sbGt5q8grA8F4fL7UYgBojsVU1Dpg3EAoKJlIK:89WaSWtoAb9bpnAoKJlIK
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\gmsngrd.dll 2fbd1c6cee04db333be5e1594e822281.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 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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 (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 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\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\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "218" 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 2884 2fbd1c6cee04db333be5e1594e822281.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1744 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2fbd1c6cee04db333be5e1594e822281.exe"C:\Users\Admin\AppData\Local\Temp\2fbd1c6cee04db333be5e1594e822281.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa398f855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1744