Analysis

  • max time kernel
    139s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    10/03/2022, 02:29

General

  • Target

    6d51784aeffbe05410d9511802b2da247a5d3bacca27429b75578b35e9f9252e.exe

  • Size

    790KB

  • MD5

    fb3b1255373cbb400b23242db5245398

  • SHA1

    e53bf5c7e20363d2e5217fe72e3356372c550935

  • SHA256

    6d51784aeffbe05410d9511802b2da247a5d3bacca27429b75578b35e9f9252e

  • SHA512

    e4a5832621897087d1e9d6a83bc9b725b80fce22bcbf70d383e7a19388aa3b661d77ea416e3e71a1d3fe70fe2565d6991d6807c2e180e9aca8b40f71cc4e06be

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    martinich22

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 14 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d51784aeffbe05410d9511802b2da247a5d3bacca27429b75578b35e9f9252e.exe
    "C:\Users\Admin\AppData\Local\Temp\6d51784aeffbe05410d9511802b2da247a5d3bacca27429b75578b35e9f9252e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\presentacion de proyecto.exe
      "C:\Users\Admin\AppData\Local\Temp\presentacion de proyecto.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1956
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:2020
        • 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"
          4⤵
            PID:1624
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 448
            4⤵
            • Loads dropped DLL
            PID:812
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:268

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/268-64-0x0000000000400000-0x0000000000401000-memory.dmp

            Filesize

            4KB

          • memory/268-58-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/812-90-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/1248-67-0x0000000073440000-0x00000000739EB000-memory.dmp

            Filesize

            5.7MB

          • memory/1248-69-0x0000000073440000-0x00000000739EB000-memory.dmp

            Filesize

            5.7MB

          • memory/1248-68-0x00000000009E0000-0x00000000009E1000-memory.dmp

            Filesize

            4KB

          • memory/1624-83-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1624-86-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1904-55-0x0000000076731000-0x0000000076733000-memory.dmp

            Filesize

            8KB

          • memory/1904-57-0x0000000000880000-0x0000000000882000-memory.dmp

            Filesize

            8KB

          • memory/1956-76-0x0000000000B00000-0x0000000000B01000-memory.dmp

            Filesize

            4KB

          • memory/1956-75-0x0000000073440000-0x00000000739EB000-memory.dmp

            Filesize

            5.7MB

          • memory/1956-82-0x0000000000B16000-0x0000000000B17000-memory.dmp

            Filesize

            4KB

          • memory/2020-78-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/2020-81-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB