4dd389365d0d92f355a4983ab551bcf6f3ed4fc4eb969f6f520fd6834629a44f

Analysis

max time kernel
17s
max time network
19s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
27/03/2024, 15:11

Sharing

Copy URL Twitter E-mail

Reason

Machine shutdown

Report Analysis Logs

General

Target

main.bat
Size

1KB
MD5

3d6b737f1ada3a484f4cd1312e13c834
SHA1

233b615c5436bf152e3fd8e91ee00b8ff4062ae3
SHA256

fb37f6514cefab934e854359ab4e72529d649ccd36f4135c8fb2061bb8dda328
SHA512

1499962165edf53325e837fae3cc4518ea3af7a0cae48b6d553d71677b5c0a6c4753666b62ceb89a9a63ade73461e108ab4fb3a2fb3ad21f6aad981356f3b837

Score

10^/10

evasion trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\DWM\EnableWindowColorization = "26"	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\ColorizationColorBalance = "89"	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\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	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\ColorizationAfterglowBalance = "10"	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4192	reg.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2080	shutdown.exe
Token: SeRemoteShutdownPrivilege	2080	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	LogonUI.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 3956	3852	cmd.exe	79
PID 3852 wrote to memory of 3956	3852	cmd.exe	79
PID 3956 wrote to memory of 4248	3956	net.exe	80
PID 3956 wrote to memory of 4248	3956	net.exe	80
PID 3852 wrote to memory of 4192	3852	cmd.exe	81
PID 3852 wrote to memory of 4192	3852	cmd.exe	81
PID 3852 wrote to memory of 2080	3852	cmd.exe	82
PID 3852 wrote to memory of 2080	3852	cmd.exe	82

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\main.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Windows\system32\net.exe
  NET FILE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3956
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 FILE
    3⤵
    PID:4248
- C:\Windows\system32\reg.exe
  reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - UAC bypass
  - Modifies registry key
  PID:4192
- C:\Windows\system32\shutdown.exe
  shutdown /r -t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2080

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a07855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads