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Analysis
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max time kernel
101s -
max time network
119s -
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, 12:45
Static task
static1
Behavioral task
behavioral1
Sample
8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe
Resource
win10v2004-20221111-en
Errors
General
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Target
8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe
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Size
96KB
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MD5
c6428bdbb39f75210cd9e96267bce25c
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SHA1
4b390f48bbe4bd5734dc4179d7207d87c1ee48ca
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SHA256
8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115
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SHA512
cb538c068c09ca7d1212ca9ab9bed1d56507d81cb7136eaa5815193e6f8ea178651a4b270e87157b8cb2fc7c6f72900912d10545b81cb47c9e94e8e506b8396c
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SSDEEP
1536:ulq/djgFlxt2/E07flcMWSHkp/CKmAfJ4u+xeJdk/zJoiTBgmQB:uGdjqWE0rl/WSHklLJJ+8dEzJoi1gmQ
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\olkmwtb.dll 8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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 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\AccentColor = "4292311040" 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\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\EnableWindowColorization = "147" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" 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\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 840 8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2992 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe"C:\Users\Admin\AppData\Local\Temp\8f436643b23bad056f0ec4113c597d9ba73eff9f270a83c182ba57221fecf115.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:840
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39f6055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2992