Malware Analysis Report

2025-08-05 17:10

Sample ID 250106-23f23stqgn
Target NoEscape.zip
SHA256 47f6d3a11ffd015413ffb96432ec1f980fba5dd084990dd61a00342c5f6da7f8
Tags
discovery evasion persistence ransomware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

47f6d3a11ffd015413ffb96432ec1f980fba5dd084990dd61a00342c5f6da7f8

Threat Level: Known bad

The file NoEscape.zip was found to be: Known bad.

Malicious Activity Summary

discovery evasion persistence ransomware trojan

Modifies WinLogon for persistence

UAC bypass

Disables RegEdit via registry modification

Executes dropped EXE

Modifies WinLogon

Drops desktop.ini file(s)

Checks whether UAC is enabled

Sets desktop wallpaper using registry

Drops file in Windows directory

System Location Discovery: System Language Discovery

Modifies Control Panel

System policy modification

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-06 23:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-06 23:06

Reported

2025-01-06 23:08

Platform

win10v2004-20241007-en

Max time kernel

22s

Max time network

26s

Command Line

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NoEscape.zip"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\winnt32.exe" C:\Users\Admin\Desktop\NoEscape.exe N/A

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Users\Admin\Desktop\NoEscape.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\NoEscape.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Admin\Desktop\desktop.ini C:\Users\Admin\Desktop\NoEscape.exe N/A
File opened for modification C:\Users\Public\Desktop\desktop.ini C:\Users\Admin\Desktop\NoEscape.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1" C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoAdminLogon = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\noescape.png" C:\Users\Admin\Desktop\NoEscape.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winnt32.exe C:\Users\Admin\Desktop\NoEscape.exe N/A
File opened for modification C:\Windows\winnt32.exe C:\Users\Admin\Desktop\NoEscape.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Desktop\NoEscape.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\AutoColorization = "1" C:\Users\Admin\Desktop\NoEscape.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Mouse C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Mouse\SwapMouseButtons = "1" C:\Users\Admin\Desktop\NoEscape.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "64" C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: 35 N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\LogonUI.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" C:\Users\Admin\Desktop\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\Desktop\NoEscape.exe N/A

Processes

C:\Program Files\7-Zip\7zFM.exe

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NoEscape.zip"

C:\Users\Admin\Desktop\NoEscape.exe

"C:\Users\Admin\Desktop\NoEscape.exe"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa3921855 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp

Files

C:\Users\Admin\Desktop\NoEscape.exe

MD5 989ae3d195203b323aa2b3adf04e9833
SHA1 31a45521bc672abcf64e50284ca5d4e6b3687dc8
SHA256 d30d7676a3b4c91b77d403f81748ebf6b8824749db5f860e114a8a204bca5b8f
SHA512 e9d4e6295869f3a456c7ea2850c246d0c22afa65c2dd5161744ee5b3e29e44d9a2d758335f98001cdb348eaa51a71cd441b4ddc12c8d72509388657126e69305

memory/2152-3-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/2152-5-0x00000000005C6000-0x00000000005C7000-memory.dmp

C:\Users\Public\Desktop\࠙ዀ᧋⨝Ⱶኅẵংۦॢሥ⎆∘߯ഒ೚⿾もᬂ⅂ݝგ᰼⼺ྫྷ

MD5 e49f0a8effa6380b4518a8064f6d240b
SHA1 ba62ffe370e186b7f980922067ac68613521bd51
SHA256 8dbd06e9585c5a16181256c9951dbc65621df66ceb22c8e3d2304477178bee13
SHA512 de6281a43a97702dd749a1b24f4c65bed49a2e2963cabeeb2a309031ab601f5ec488f48059c03ec3001363d085e8d2f0f046501edf19fafe7508d27e596117d4

memory/2152-182-0x0000000000400000-0x00000000005CC000-memory.dmp