Analysis
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max time kernel
173s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2025, 10:47
Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Server.exe
Resource
win10v2004-20250314-en
Errors
General
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Target
Server.exe
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Size
93KB
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MD5
be8230b1a5ba47dacb5b4d4f990f0da2
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SHA1
1c44f6422cdf7117c69ab172625eee8d8a561159
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SHA256
c7bd3056f1c01d0d36cd4ee675677f9dd20be0684fe8520f18df7d303c494e94
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SHA512
26176c2277701fc6b2dd568cb7e9448a83ebfb4f4394469e24ed44511870b3d57e1cd6b6bbe8a305f2bebb7c701330a5be2e37b1f35c19055f43f640c879e402
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SSDEEP
1536:NUwC+xhUa9urgOBPmNvMcjEwzGi1dDGDIgS:NUmUa9urgOkdCi1dYx
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3816 netsh.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 24 2.tcp.eu.ngrok.io 74 2.tcp.eu.ngrok.io -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Shutdown.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\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\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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" 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\ColorizationColor = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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 = "179" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5400 Server.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: SeShutdownPrivilege 1020 Shutdown.exe Token: SeRemoteShutdownPrivilege 1020 Shutdown.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe Token: 33 5400 Server.exe Token: SeIncBasePriorityPrivilege 5400 Server.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5400 Server.exe 5400 Server.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4092 LogonUI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5400 wrote to memory of 3816 5400 Server.exe 88 PID 5400 wrote to memory of 3816 5400 Server.exe 88 PID 5400 wrote to memory of 3816 5400 Server.exe 88 PID 5400 wrote to memory of 1020 5400 Server.exe 107 PID 5400 wrote to memory of 1020 5400 Server.exe 107 PID 5400 wrote to memory of 1020 5400 Server.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5400 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3816
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C:\Windows\SysWOW64\Shutdown.exeShutdown -r2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1020
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3935855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4092