Analysis

  • max time kernel
    163s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 13:36

General

  • Target

    d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab.exe

  • Size

    109KB

  • MD5

    91fc9acf0f5730d67d06bed1032a5b79

  • SHA1

    1af80a5d9448e8e784e8d2c944ed2d061ab1c81a

  • SHA256

    d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab

  • SHA512

    670f8c3f60a6b09467b96b3959522a164cfa06e466bc5095bf545dd52cf34297e6f07d9fc24d841188271f01327908d072e21189545466da0740e6e97de63afe

  • SSDEEP

    1536:+go7juQSvUfAMrD/NCPZXOecFoJeMWN4yi6vW36nAzhj9hJeCp0PiWgL:+ljuOIM1SZ+ecsmZC6KJ6qWgL

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab.exe
    "C:\Users\Admin\AppData\Local\Temp\d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Users\Admin\AppData\Local\Temp\d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab.exe
      C:\Users\Admin\AppData\Local\Temp\d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab.exe
      2⤵
      • Modifies firewall policy service
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram syntchercui.exe 1 ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:176
      • C:\Windows\syntchercui.exe
        "C:\Windows\syntchercui.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:116
        • C:\Windows\syntchercui.exe
          C:\Windows\syntchercui.exe
          4⤵
          • Executes dropped EXE
          PID:3520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Windows\syntchercui.exe

          Filesize

          109KB

          MD5

          91fc9acf0f5730d67d06bed1032a5b79

          SHA1

          1af80a5d9448e8e784e8d2c944ed2d061ab1c81a

          SHA256

          d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab

          SHA512

          670f8c3f60a6b09467b96b3959522a164cfa06e466bc5095bf545dd52cf34297e6f07d9fc24d841188271f01327908d072e21189545466da0740e6e97de63afe

        • C:\Windows\syntchercui.exe

          Filesize

          109KB

          MD5

          91fc9acf0f5730d67d06bed1032a5b79

          SHA1

          1af80a5d9448e8e784e8d2c944ed2d061ab1c81a

          SHA256

          d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab

          SHA512

          670f8c3f60a6b09467b96b3959522a164cfa06e466bc5095bf545dd52cf34297e6f07d9fc24d841188271f01327908d072e21189545466da0740e6e97de63afe

        • C:\Windows\syntchercui.exe

          Filesize

          109KB

          MD5

          91fc9acf0f5730d67d06bed1032a5b79

          SHA1

          1af80a5d9448e8e784e8d2c944ed2d061ab1c81a

          SHA256

          d8b51f952b6ff2d51dca5edfb02098825ac475bf1f46988548284bf8d3637aab

          SHA512

          670f8c3f60a6b09467b96b3959522a164cfa06e466bc5095bf545dd52cf34297e6f07d9fc24d841188271f01327908d072e21189545466da0740e6e97de63afe

        • memory/1436-138-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1436-137-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1436-135-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1436-150-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/3520-151-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/3520-152-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB