Overview

overview

10

Static

static

COTIZACION...42.exe

windows7_x64

10

COTIZACION...42.exe

windows10_x64

7

Analysis

  • max time kernel
    146s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    04/08/2020, 13:27

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General

  • Target
    COTIZACION_00957342.exe
  • Size 833KB
  • Sample200804-e832x4z4ga
  • SHA256 987e0b5d35a989d7eff88f7aed06a643e18d500266871e9e1cb901ed8f3d484a
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\COTIZACION_00957342.exe
    "C:\Users\Admin\AppData\Local\Temp\COTIZACION_00957342.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:636
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe'
          4⤵
            PID:2620

    Network

          MITRE ATT&CK Matrix

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          Downloads

          memory/636-0-0x0000000000400000-0x00000000004B8000-memory.dmp
          Download