Analysis

  • user interaction
    yes
  • max time kernel
    76s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 16:28

General

  • Target
    Abantes.exe
  • Size 2.7MB
  • Sample260822-ty2tzshr71
  • SHA256 dac4b5511343cf863832e38886af8a3e1d55529648314eb02cc21fa3979f6419
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 49 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Possible privilege escalation attempt 14 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies file permissions 1 TTPs 14 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 24 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies Control Panel 16 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Abantes.exe
    "C:\Users\Admin\AppData\Local\Temp\Abantes.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Event Triggered Execution: Image File Execution Options Injection
    • Checks computer location settings
    • Modifies system executable filetype association
    • Checks whether UAC is enabled
    • Modifies WinLogon
    • Sets desktop wallpaper using registry
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3792
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\Defender\Action.bat""
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f logonui.exe
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1704
      • C:\Windows\SysWOW64\icacls.exe
        icacls logonui.exe /granted Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3848
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f "C:\Windows\System32\en-US" /r /d y
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4288
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Windows\System32\en-US" /granted Admin:F /T /C
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2084
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f explorer.exe
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f regedit.exe
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3576
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f HelpPane.exe
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3460
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f "C:\Windows\Temp" /r /d y
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1504
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f "C:\Windows\en-US" /r /d y
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4512
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Windows\Temp" /granted Admin:F /T /C
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1908
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Windows\en-US" /granted Admin:F /T /C
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4344
      • C:\Windows\SysWOW64\icacls.exe
        icacls regedit.exe /granted Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4928
      • C:\Windows\SysWOW64\icacls.exe
        icacls explorer.exe /granted Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2980
      • C:\Windows\SysWOW64\icacls.exe
        icacls HelpPane.exe /granted Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3428
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' set FullName='Abantes Was Here'
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4908
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic useraccount where name='Admin' rename 'Abantes Was Here'
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4940
      • C:\Windows\SysWOW64\netsh.exe
        NetSh Advfirewall set allprofiles state off
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4008
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4040
      • C:\Windows\SysWOW64\timeout.exe
        TIMEOUT 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:228
      • C:\Windows\SysWOW64\timeout.exe
        TIMEOUT 2
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3912
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /l /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3064
  • C:\Windows\Defender\Abantes.exe
    C:\Windows\Defender\Abantes.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3500
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39bf855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Abantes.exe

        • Path C:\Windows\Defender\Abantes.exe
        • Size 2.7MB
        • SHA256 dac4b5511343cf863832e38886af8a3e1d55529648314eb02cc21fa3979f6419
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Action.bat

        • Path C:\Windows\Defender\Action.bat
        • Size 1KB
        • SHA256 d06d5f8501501af5677b133ff7aa531ccf1bf9b2673a1f26117f0420532b599e
        • MD5 SHA1 SHA512 TLSH

        authui.dll.mui

        • Path C:\Windows\Defender\authui.dll.mui
        • Size 21KB
        • SHA256 6baf83c2c45f0e3a1a1dedc799cce6adb766dabe25baa847f9dd308aae0218eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe.mui

        • Path C:\Windows\Defender\explorer.exe.mui
        • Size 15KB
        • SHA256 b69b61675531060d350a795a53568ccf19a146060cebb659ebc658a0e8b27fc9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3500-25-0x00000000055B0000-0x00000000055C0000-memory.dmp

        memory/3792-0-0x0000000000A30000-0x0000000000CE8000-memory.dmp

        memory/3792-1-0x0000000005E10000-0x00000000063B4000-memory.dmp

        memory/3792-2-0x0000000005770000-0x0000000005802000-memory.dmp

        memory/3792-3-0x0000000005850000-0x0000000005860000-memory.dmp

        memory/3792-4-0x0000000003200000-0x0000000003254000-memory.dmp

        memory/3792-5-0x0000000005760000-0x000000000576A000-memory.dmp

        memory/3792-31-0x0000000005850000-0x0000000005860000-memory.dmp