Analysis
-
max time kernel
62s -
max time network
79s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 01:04
Static task
static1
Behavioral task
behavioral1
Sample
a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe
Resource
win10v2004-20240226-en
Errors
General
-
Target
a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe
-
Size
131.2MB
-
MD5
2299fbcdba412d89fd74e9177caaad2f
-
SHA1
63e7c2d440f3b10ec871bbdb2abb68a664f836dc
-
SHA256
a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e
-
SHA512
9501ceef29b4effdfa21eb499e228a3eb65e15a759037517b08285953c93042b0fc8c359ae7aadaeac1f6065ec2222303ab06e97036126c059cc23b9835c6500
-
SSDEEP
786432:K/Bzjh0PSmVGvNtp6YKD7Vz40zj9RKZlzbUNdTNoYboNzWeCrjStSTtLwSTRpf4t:K/4NYB0GbUDBZopWeCroiSvaSdL
Malware Config
Signatures
-
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" 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\EnableWindowColorization = "251" 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 (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\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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History 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\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 4 IoCs
description pid Process Token: 33 4192 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4192 AUDIODG.EXE Token: SeShutdownPrivilege 1308 shutdown.exe Token: SeRemoteShutdownPrivilege 1308 shutdown.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5044 LogonUI.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4788 wrote to memory of 1308 4788 a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe 106 PID 4788 wrote to memory of 1308 4788 a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe 106 PID 4788 wrote to memory of 1308 4788 a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe 106
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe"C:\Users\Admin\AppData\Local\Temp\a6c3d2432a392c6c748f7f124caf61c6d8601b01d995c479b3fca9b1d4e1165e.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\shutdown.exe"shutdown" /r /t 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:1308
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2fc 0x3d01⤵
- Suspicious use of AdjustPrivilegeToken
PID:4192
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa395a055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5044