Analysis

  • max time kernel
    223s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v200410
  • submitted
    16-04-2020 10:39

General

  • Target

    1.ps1

  • Size

    1.5MB

  • MD5

    8336572266de59a362177d39dfd212be

  • SHA1

    9b2cea93d845507cd7cd7abde1b5fcc8218a3d76

  • SHA256

    b692668c4cb71b1029d7a0b062fa5177fff06105da3a35c070466fa3992f7081

  • SHA512

    fcfcc5869e5248da747bc9a68d5cbc695892634ed81dd130a9ffbd487ce70a8a5991c6309dafc2a6f32ba2a2c2c0997d2f4fa373ac6b9e405f6636c91f5c16d4

Score
3/10

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1.ps1
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\00ezayrv\00ezayrv.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES86C4.tmp" "c:\Users\Admin\AppData\Local\Temp\00ezayrv\CSCD71D6A3221DB4C8B985413688D56319.TMP"
        3⤵
          PID:2700
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5mbdv1t3\5mbdv1t3.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES879E.tmp" "c:\Users\Admin\AppData\Local\Temp\5mbdv1t3\CSC720E609714E34FA48DFE6A385839CA2D.TMP"
          3⤵
            PID:3824
        • C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
          "C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe" -NonInteractive -NoProfile -file C:\Users\Admin\AppData\Local\Temp\1.ps1
          2⤵
            PID:3332
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 708
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious behavior: EnumeratesProcesses
              • Program crash
              PID:3544

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\00ezayrv\00ezayrv.dll
        • C:\Users\Admin\AppData\Local\Temp\5mbdv1t3\5mbdv1t3.dll
        • C:\Users\Admin\AppData\Local\Temp\RES86C4.tmp
        • C:\Users\Admin\AppData\Local\Temp\RES879E.tmp
        • \??\c:\Users\Admin\AppData\Local\Temp\00ezayrv\00ezayrv.0.cs
        • \??\c:\Users\Admin\AppData\Local\Temp\00ezayrv\00ezayrv.cmdline
        • \??\c:\Users\Admin\AppData\Local\Temp\00ezayrv\CSCD71D6A3221DB4C8B985413688D56319.TMP
        • \??\c:\Users\Admin\AppData\Local\Temp\5mbdv1t3\5mbdv1t3.0.cs
        • \??\c:\Users\Admin\AppData\Local\Temp\5mbdv1t3\5mbdv1t3.cmdline
        • \??\c:\Users\Admin\AppData\Local\Temp\5mbdv1t3\CSC720E609714E34FA48DFE6A385839CA2D.TMP
        • memory/3544-10-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
          Filesize

          4KB

        • memory/3544-11-0x0000000005400000-0x0000000005401000-memory.dmp
          Filesize

          4KB