3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e

Reason

Machine shutdown

General

Target

3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
Size

7.3MB
MD5

b67769c24a38ab2275267580bb074a4a
SHA1

7eec997a44edc93df60814504c43d44c90bbf938
SHA256

3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e
SHA512

a5533529e1bfc37ef472827e9aff829b5601d73cb23258949d58b638a5eb6a737d92c7aba8c93eced51a46397d5dee4aca177390f2c6d77b7b45aa99372be6b0
SSDEEP

196608:5Hl02K7PiWx0+5EBKK7XxuqkK18chAzjAGk00s5O6:5F02OJx0+5UT7Xxg9/Fg

Score

7^/10

bootkit persistence vmprotect

Malware Config

Signatures

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4988-5-0x0000000000400000-0x00000000015E0000-memory.dmp	vmprotect
behavioral2/memory/4988-496-0x0000000000400000-0x00000000015E0000-memory.dmp	vmprotect

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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\2229298842\4185564001.pri	LogonUI.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3572	4988	WerFault.exe	86

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationGlassAttribute = "1"	LogonUI.exe
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\Themes\History\AutoColor = "0"	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\DWM\AccentColor = "4292311040"	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
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\DWM\EnableWindowColorization = "229"	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

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
Token: SeShutdownPrivilege	4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
2372	LogonUI.exe
2372	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3572	4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe	96
PID 4988 wrote to memory of 3572	4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe	96
PID 4988 wrote to memory of 3572	4988	3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe	96

C:\Users\Admin\AppData\Local\Temp\3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe
"C:\Users\Admin\AppData\Local\Temp\3e415f23238df511e2147e28d83ea780a1b8a69468ae87b499de9a326632e74e.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 3820
  2⤵
  - Program crash
  PID:3572

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3991855 /state1:0x41c64e6d
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4988-0-0x0000000001890000-0x0000000001891000-memory.dmp

Filesize
4KB

Download
memory/4988-1-0x00000000018B0000-0x00000000018B1000-memory.dmp

Filesize
4KB

Download
memory/4988-2-0x00000000018C0000-0x00000000018C1000-memory.dmp

Filesize
4KB

Download
memory/4988-5-0x0000000000400000-0x00000000015E0000-memory.dmp

Filesize
17.9MB

Download
memory/4988-4-0x0000000001C00000-0x0000000001C01000-memory.dmp

Filesize
4KB

Download
memory/4988-6-0x0000000001C10000-0x0000000001C11000-memory.dmp

Filesize
4KB

Download
memory/4988-7-0x0000000001C20000-0x0000000001C21000-memory.dmp

Filesize
4KB

Download
memory/4988-3-0x00000000018F0000-0x00000000018F1000-memory.dmp

Filesize
4KB

Download
memory/4988-12-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-13-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-14-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-15-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-18-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-170-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download
memory/4988-496-0x0000000000400000-0x00000000015E0000-memory.dmp

Filesize
17.9MB

Download
memory/4988-497-0x00000000035B0000-0x00000000036EC000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads