Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
09-01-2024 18:56
Static task
static1
Behavioral task
behavioral1
Sample
4e52c8ea413c0b52a12f57f3531356a8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4e52c8ea413c0b52a12f57f3531356a8.exe
Resource
win10v2004-20231222-en
General
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Target
4e52c8ea413c0b52a12f57f3531356a8.exe
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Size
596KB
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MD5
4e52c8ea413c0b52a12f57f3531356a8
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SHA1
641da090ae500fecdc03f1d119ed782878b8498e
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SHA256
e08fde454789b121c099a4e3d2f89c2fda5c292e754a0223738192ecfe42671f
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SHA512
7aa4e11e24fadd892e87f017b3d3e0403c8d3ca7834e959d134a97e0758cad563d84f4d9a209e99446c2f9f75a175734b93cbebd4ce6f12f0d1602a6c7ef0759
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SSDEEP
12288:VwiFc5PkJLe9687vG6MisJSKIOn/eTPduu:1oMCJGrisoFOn/eT1R
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4e52c8ea413c0b52a12f57f3531356a8.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run 4e52c8ea413c0b52a12f57f3531356a8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\Manager = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 4e52c8ea413c0b52a12f57f3531356a8.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{E94B570B-EA1A-7B9E-DDDE-F6ADFD39B3EB} 4e52c8ea413c0b52a12f57f3531356a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Active Setup\Installed Components\{E94B570B-EA1A-7B9E-DDDE-F6ADFD39B3EB}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 4e52c8ea413c0b52a12f57f3531356a8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{E94B570B-EA1A-7B9E-DDDE-F6ADFD39B3EB} 4e52c8ea413c0b52a12f57f3531356a8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{E94B570B-EA1A-7B9E-DDDE-F6ADFD39B3EB}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 4e52c8ea413c0b52a12f57f3531356a8.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\Manager = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 4e52c8ea413c0b52a12f57f3531356a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Manager = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 4e52c8ea413c0b52a12f57f3531356a8.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 4e52c8ea413c0b52a12f57f3531356a8.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2824 set thread context of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2880 set thread context of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2836 reg.exe 2256 reg.exe 2572 reg.exe 2612 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeCreateTokenPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeAssignPrimaryTokenPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeLockMemoryPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeIncreaseQuotaPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeMachineAccountPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeTcbPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeSecurityPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeTakeOwnershipPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeLoadDriverPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeSystemProfilePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeSystemtimePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeProfSingleProcessPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeIncBasePriorityPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeCreatePagefilePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeCreatePermanentPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeBackupPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeRestorePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeShutdownPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeDebugPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeAuditPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeSystemEnvironmentPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeChangeNotifyPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeRemoteShutdownPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeUndockPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeSyncAgentPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeEnableDelegationPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeManageVolumePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeImpersonatePrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: SeCreateGlobalPrivilege 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: 31 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: 32 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: 33 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: 34 2988 4e52c8ea413c0b52a12f57f3531356a8.exe Token: 35 2988 4e52c8ea413c0b52a12f57f3531356a8.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 2988 4e52c8ea413c0b52a12f57f3531356a8.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2824 wrote to memory of 2880 2824 4e52c8ea413c0b52a12f57f3531356a8.exe 28 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2880 wrote to memory of 2988 2880 4e52c8ea413c0b52a12f57f3531356a8.exe 29 PID 2988 wrote to memory of 2748 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 30 PID 2988 wrote to memory of 2748 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 30 PID 2988 wrote to memory of 2748 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 30 PID 2988 wrote to memory of 2748 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 30 PID 2988 wrote to memory of 2584 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 41 PID 2988 wrote to memory of 2584 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 41 PID 2988 wrote to memory of 2584 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 41 PID 2988 wrote to memory of 2584 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 41 PID 2988 wrote to memory of 2644 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 40 PID 2988 wrote to memory of 2644 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 40 PID 2988 wrote to memory of 2644 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 40 PID 2988 wrote to memory of 2644 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 40 PID 2988 wrote to memory of 2676 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 38 PID 2988 wrote to memory of 2676 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 38 PID 2988 wrote to memory of 2676 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 38 PID 2988 wrote to memory of 2676 2988 4e52c8ea413c0b52a12f57f3531356a8.exe 38 PID 2644 wrote to memory of 2612 2644 cmd.exe 36 PID 2644 wrote to memory of 2612 2644 cmd.exe 36 PID 2644 wrote to memory of 2612 2644 cmd.exe 36 PID 2644 wrote to memory of 2612 2644 cmd.exe 36 PID 2584 wrote to memory of 2572 2584 cmd.exe 35 PID 2584 wrote to memory of 2572 2584 cmd.exe 35 PID 2584 wrote to memory of 2572 2584 cmd.exe 35 PID 2584 wrote to memory of 2572 2584 cmd.exe 35 PID 2676 wrote to memory of 2256 2676 cmd.exe 34 PID 2676 wrote to memory of 2256 2676 cmd.exe 34 PID 2676 wrote to memory of 2256 2676 cmd.exe 34 PID 2676 wrote to memory of 2256 2676 cmd.exe 34 PID 2748 wrote to memory of 2836 2748 cmd.exe 33 PID 2748 wrote to memory of 2836 2748 cmd.exe 33 PID 2748 wrote to memory of 2836 2748 cmd.exe 33 PID 2748 wrote to memory of 2836 2748 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe"3⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:2836
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:2676
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Suspicious use of WriteProcessMemory
PID:2644
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:2584
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C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f1⤵
- Modifies firewall policy service
- Modifies registry key
PID:2256
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C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4e52c8ea413c0b52a12f57f3531356a8.exe:*:Enabled:Windows Messanger" /f1⤵
- Modifies firewall policy service
- Modifies registry key
PID:2572
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C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f1⤵
- Modifies firewall policy service
- Modifies registry key
PID:2612
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1