Malware Analysis Report

2025-01-03 08:25

Sample ID 240617-f3blpswdqg
Target NoEscape.exe.zip
SHA256 542c2e1064be8cd8393602f63b793e9d34eb81b1090a3c80623777f17fa25c6c
Tags
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

542c2e1064be8cd8393602f63b793e9d34eb81b1090a3c80623777f17fa25c6c

Threat Level: Known bad

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

Malicious Activity Summary

evasion persistence ransomware trojan

Modifies WinLogon for persistence

UAC bypass

Disables RegEdit via registry modification

Checks whether UAC is enabled

Drops desktop.ini file(s)

Modifies WinLogon

Sets desktop wallpaper using registry

Drops file in Windows directory

Unsigned PE

System policy modification

Modifies data under HKEY_USERS

Suspicious use of SetWindowsHookEx

Modifies Control Panel

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 05:23

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 05:23

Reported

2024-06-17 05:26

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe

"C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe"

Network

N/A

Files

memory/1676-0-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/1676-1-0x0000000000400000-0x00000000005CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 05:23

Reported

2024-06-17 05:24

Platform

win10v2004-20240508-en

Max time kernel

9s

Max time network

10s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe"

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\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\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\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\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\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\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\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
File opened for modification C:\Users\Public\Desktop\desktop.ini C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Modifies WinLogon

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

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\noescape.png" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winnt32.exe C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
File opened for modification C:\Windows\winnt32.exe C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Desktop\AutoColorization = "1" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Mouse C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Mouse\SwapMouseButtons = "1" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
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\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "233" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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
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\StartColorMenu = "4288567808" 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
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\ColorizationBlurBalance = "1" 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\ColorizationColorBalance = "89" 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\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.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\Explorer C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe

"C:\Users\Admin\AppData\Local\Temp\NoEscape.exe\NoEscape.exe-Latest Version\NoEscape.exe"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa3981055 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1004-0-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/1004-1-0x00000000005C6000-0x00000000005C7000-memory.dmp

C:\Users\Public\Desktop\ْ⌕ፐ᧾ねᖵಳᕗ⎛⾞ᔣ॓ᰧắডᶕᠵᥝἆ᦯ༀ៼౱ও♁௩≨ᚳ⧻⨓ᤴ໲

MD5 e49f0a8effa6380b4518a8064f6d240b
SHA1 ba62ffe370e186b7f980922067ac68613521bd51
SHA256 8dbd06e9585c5a16181256c9951dbc65621df66ceb22c8e3d2304477178bee13
SHA512 de6281a43a97702dd749a1b24f4c65bed49a2e2963cabeeb2a309031ab601f5ec488f48059c03ec3001363d085e8d2f0f046501edf19fafe7508d27e596117d4

memory/1004-178-0x0000000000400000-0x00000000005CC000-memory.dmp