Analysis

  • max time kernel
    55s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    24/06/2020, 14:57

General

  • Target
    894061c993db2acb055ccd2f85468e1f18af0dff041c48c6f0851bf072efb31f.exe
  • Size 223KB
  • Sample200624-xmvsdeer76
  • SHA256 894061c993db2acb055ccd2f85468e1f18af0dff041c48c6f0851bf072efb31f
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • NetWire RAT payload 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Executes dropped EXE 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Loads dropped DLL 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\894061c993db2acb055ccd2f85468e1f18af0dff041c48c6f0851bf072efb31f.exe
    "C:\Users\Admin\AppData\Local\Temp\894061c993db2acb055ccd2f85468e1f18af0dff041c48c6f0851bf072efb31f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Loads dropped DLL
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Loads dropped DLL
      PID:780
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        PID:1072
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/894061c993db2acb055ccd2f85468e1f18af0dff041c48c6f0851bf072efb31f.exe" "%temp%\FolderN\name.exe" /Y
      2⤵
        PID:1088
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
          3⤵
            PID:1856
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
          2⤵
          • NTFS ADS
          PID:1236
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1892
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 300
            3⤵
            • Delays execution with timeout.exe
            PID:1932

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/780-4-0x0000000000400000-0x0000000000430000-memory.dmp

            memory/780-1-0x0000000000400000-0x0000000000430000-memory.dmp