e659b52a7cd29d80b84cceaf7edf0c34417227297942ce7913fb0b1147d703a0

Analysis

max time kernel
2s
max time network
5s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/05/2026, 23:48

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Reason

Machine shutdown

General

Target
2026-05-16_9286d5161666486776fdb7203c523c4e_conti.exe
Size 126KB
Sample260516-3tk54ses4m
SHA256 e659b52a7cd29d80b84cceaf7edf0c34417227297942ce7913fb0b1147d703a0
MD5 9286d5161666486776fdb7203c523c4e
SHA1 b3d8841c95a3bfdbc1cb2d790b013a0fbec1e5f7
SHA512 027c0a05a7b21ec24fd13fde762c05d9ac5bb68c4480f5d2f52ba409a1698c35ba54efa34e99faa1a52e45f60cb004249068e0f44e972a733a1e4d958c0f47a0
SSDEEP 1536:xMtMj3WNnakaqrDka4BDMc7o6GuminuX7ZjunSNQKMiHEwOffbQEtBQd:etUGPaqr+0djHEwOfsd
TLSH
T10EC32BC6BBC6ACEBCA16123494EB43681338EBC51BC697030D3972391E636D19E97647
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	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\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "57"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	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\StartColorMenu = "4290799360"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2432	shutdown.exe
Token: SeRemoteShutdownPrivilege	2432	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2420	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 2676	3344	2026-05-16_9286d5161666486776fdb7203c523c4e_conti.exe	81
PID 2676 wrote to memory of 2432	2676	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\2026-05-16_9286d5161666486776fdb7203c523c4e_conti.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-16_9286d5161666486776fdb7203c523c4e_conti.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c shutdown /s /t 0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\system32\shutdown.exe
    shutdown /s /t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2432

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a13055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2420

Analysis

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Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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