Analysis
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max time kernel
189s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2024 09:30
Behavioral task
behavioral1
Sample
Helper.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
15 signatures
1800 seconds
Errors
Reason
Machine shutdown
General
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Target
Helper.exe
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Size
37KB
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MD5
e80ba64de755b0967d081e1b4ddfd65f
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SHA1
097d5ffdd0aa341dff4f6aa47e445add14ecd958
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SHA256
9e528ed59979757aa9f8ef0067affdaf0dc6450767068141481794b046c423ec
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SHA512
078f32a5a0f6f06f86c3977162fef8b5137b4ee9d59239e4844fa61985243216b326ef004e2cef6ebea42ec92767e785416ba070d613a87683499c16ad5cb309
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SSDEEP
384:Rr0vUiSgL1G5k2gyk/qSvDU/as3QV8rAF+rMRTyN/0L+EcoinblneHQM3epzXQ3m:h0l32bk/qSYSs3Q2rM+rMRa8Nu+3it
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4004 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation Helper.exe -
Executes dropped EXE 1 IoCs
pid Process 4168 svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b4ed840162f3d2fc50625ec8092db6d4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b4ed840162f3d2fc50625ec8092db6d4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 Helper.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe 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 shutdown.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" 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\Themes\History\AutoColor = "0" 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 (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\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "157" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" 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\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 -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 1104 taskmgr.exe Token: SeSystemProfilePrivilege 1104 taskmgr.exe Token: SeCreateGlobalPrivilege 1104 taskmgr.exe Token: SeDebugPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 1104 taskmgr.exe Token: SeIncBasePriorityPrivilege 1104 taskmgr.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: 33 4168 svchost.exe Token: SeIncBasePriorityPrivilege 4168 svchost.exe Token: SeShutdownPrivilege 836 shutdown.exe Token: SeRemoteShutdownPrivilege 836 shutdown.exe -
Suspicious use of FindShellTrayWindow 38 IoCs
pid Process 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe -
Suspicious use of SendNotifyMessage 37 IoCs
pid Process 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe 1104 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2192 LogonUI.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 872 wrote to memory of 4168 872 Helper.exe 87 PID 872 wrote to memory of 4168 872 Helper.exe 87 PID 872 wrote to memory of 4168 872 Helper.exe 87 PID 4168 wrote to memory of 4004 4168 svchost.exe 89 PID 4168 wrote to memory of 4004 4168 svchost.exe 89 PID 4168 wrote to memory of 4004 4168 svchost.exe 89 PID 4168 wrote to memory of 3504 4168 svchost.exe 99 PID 4168 wrote to memory of 3504 4168 svchost.exe 99 PID 4168 wrote to memory of 3504 4168 svchost.exe 99 PID 4168 wrote to memory of 836 4168 svchost.exe 101 PID 4168 wrote to memory of 836 4168 svchost.exe 101 PID 4168 wrote to memory of 836 4168 svchost.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\Helper.exe"C:\Users\Admin\AppData\Local\Temp\Helper.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4004
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C:\Windows\SysWOW64\shutdown.exeshutdown -l -t 003⤵
- System Location Discovery: System Language Discovery
PID:3504
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C:\Windows\SysWOW64\shutdown.exeshutdown -r -t 003⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:836
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1104
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3916055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2192
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
37KB
MD5e80ba64de755b0967d081e1b4ddfd65f
SHA1097d5ffdd0aa341dff4f6aa47e445add14ecd958
SHA2569e528ed59979757aa9f8ef0067affdaf0dc6450767068141481794b046c423ec
SHA512078f32a5a0f6f06f86c3977162fef8b5137b4ee9d59239e4844fa61985243216b326ef004e2cef6ebea42ec92767e785416ba070d613a87683499c16ad5cb309