9eb921df686051ba6cc55ad9962492ee0b0bc3fd54c212af766c2513f6e21c7a

Analysis

max time kernel
4s
max time network
6s
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, 11:48

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Reason

Machine shutdown

General

Target
hmm.bat
Size 192B
Sample260516-nywebagt2k
SHA256 9eb921df686051ba6cc55ad9962492ee0b0bc3fd54c212af766c2513f6e21c7a
MD5 550c8333964ebc08bc6b1be293fe58c7
SHA1 50509c8dfe709ffb1cfd446df6b1f5fa6fb771b6
SHA512 3222c0c27517a13af1909e6727d7849bc5a0e98b9211a1467d836e590ea2780abd4dbb1ef72fce67d6c1d64a61ccc2a11f96c16d9fdafaede2901eb1439401ad
TLSH
T1AAC022002972D08680FE8820482ECF2E809A14661204E8E300CD83E8E4C4185AE3888A
MD5 SHA1 SHA512 TLSH

Score

5^/10

defense_evasion

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\config	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4688	timeout.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "64"	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\ColorizationColorBalance = "89"	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
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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	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
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 = "4290799360"	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	2236	shutdown.exe
Token: SeRemoteShutdownPrivilege	2236	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5840	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5156 wrote to memory of 4688	5156	cmd.exe	82
PID 5156 wrote to memory of 2236	5156	cmd.exe	83

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\hmm.bat"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5156
- C:\Windows\system32\timeout.exe
  timeout 2
  2⤵
  - Delays execution with timeout.exe
  PID:4688
- C:\Windows\system32\shutdown.exe
  shutdown /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2236

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a27055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5840

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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