Analysis

  • max time kernel
    137s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 04:15

General

  • Target

    4a696468e949839d8f98d254a40da169.exe

  • Size

    248KB

  • MD5

    4a696468e949839d8f98d254a40da169

  • SHA1

    318e158217417e872ee43565ddc67a3346754c55

  • SHA256

    54bcafda8df31d052b9fef83556918957746ebaba4395be6af47638818473f82

  • SHA512

    a816106af4a1c7957d7dcaf0db38e50c9e71a2061652ac1c0bf96fd0a632c39b5754da35be3433faca2987de7243e309bfdf7d6fd3c4d853665ddd404855f806

  • SSDEEP

    6144:CI4Yg4XBdw1MDDve/fepHjpNqrmNkVsuaRaU6mHG:Cig4Xa/fepHWg0aRz6mHG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe
    "C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 /s C:\Windows\system32\MSWINSCK.OCX
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:4692
    • C:\Windows\SysWOW64\1024\SVCHOST.EXE
      C:\Windows\system32\1024\SVCHOST.EXE
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
        3⤵
          PID:4932
        • C:\Windows\SysWOW64\1024\SVCHOST.EXE
          C:\Windows\system32\1024\SVCHOST.EXE -sysrun
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies Internet Explorer settings
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4140
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
            4⤵
              PID:8

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\1024\SVCHOST.EXE

              Filesize

              116KB

              MD5

              844526d694ea8b52c286f6c68d1364c0

              SHA1

              32394b9ed69ebd7b2afa547b260096292877f183

              SHA256

              b98078116bcc8a548c642b85167d1155c95a202582cd2aaecc0ca41a292e948a

              SHA512

              e2e15e41b736a04be89f3f4241c1efe601454ba9e655807b20c3359656955d489d0668ee047ab1dcb6f9985b7983d88a335be8450c154a5c9b573fbb7058f4c5

            • C:\Windows\SysWOW64\MSWINSCK.OCX

              Filesize

              105KB

              MD5

              9484c04258830aa3c2f2a70eb041414c

              SHA1

              b242a4fb0e9dcf14cb51dc36027baff9a79cb823

              SHA256

              bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

              SHA512

              9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0