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Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    19-01-2021 19:24

General

  • Target

    2c01b007729230c415420ad641ad92eb.exe

  • Size

    1.3MB

  • MD5

    daef338f9c47d5394b7e1e60ce38d02d

  • SHA1

    c0a07e8c32528d29aae26aaecbf6a67ed95b8c8e

  • SHA256

    5d03fd083b626a5516194d5e94576349100c9c98ca7d6845642ed9579980ca58

  • SHA512

    d0f4050fc2c5f38ab598729fb6930c84bf779d47b5a8b4e860bc0e9ca8be454ad5dce001d8f88299d8a079eafd4c26efcdd2d196352acfe45e940cc107fcebf4

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1011 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe
    "C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      "C:\Users\Admin\AppData\Roaming\wou\odm.exe" kja-pex
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        C:\Users\Admin\AppData\Roaming\wou\odm.exe C:\Users\Admin\AppData\Roaming\wou\WCNDU
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1796
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
              PID:1832
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
              5⤵
                PID:1068
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
              C:\Users\Admin\AppData\Roaming\wou\WCNDU
              4⤵
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              PID:996
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1980

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/996-33-0x0000000000110000-0x00000000001DC000-memory.dmp

        Filesize

        816KB

      • memory/996-28-0x0000000000110000-0x00000000001DC000-memory.dmp

        Filesize

        816KB

      • memory/1068-43-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1068-40-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1468-16-0x000007FEF6380000-0x000007FEF65FA000-memory.dmp

        Filesize

        2.5MB

      • memory/1628-2-0x00000000761E1000-0x00000000761E3000-memory.dmp

        Filesize

        8KB

      • memory/1628-4-0x0000000001FA0000-0x0000000001FA2000-memory.dmp

        Filesize

        8KB

      • memory/1796-31-0x0000000000110000-0x0000000000111000-memory.dmp

        Filesize

        4KB

      • memory/1796-32-0x0000000000111000-0x0000000000112000-memory.dmp

        Filesize

        4KB

      • memory/1796-38-0x0000000000116000-0x0000000000127000-memory.dmp

        Filesize

        68KB

      • memory/1796-25-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/1832-35-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1832-39-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1980-13-0x0000000000270000-0x0000000000271000-memory.dmp

        Filesize

        4KB

      • memory/1980-5-0x00000000001B0000-0x00000000001B2000-memory.dmp

        Filesize

        8KB