Analysis

  • max time kernel
    139s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 16:44

General

  • Target
    NEAS.79e4ff7e07ef027149bee83fa1615910.exe
  • Size 568KB
  • Sample231102-t89ycabb55
  • SHA256 41971e0f60de2d25dc70c6cab9acb668a6f643e08f98a993f51c27159769342c
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.79e4ff7e07ef027149bee83fa1615910.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.79e4ff7e07ef027149bee83fa1615910.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:208
    • \??\c:\users\admin\appdata\local\temp\wmpscfgs.exe
      c:\users\admin\appdata\local\temp\\wmpscfgs.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4496
    • C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
      C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4424
      • \??\c:\users\admin\appdata\local\temp\wmpscfgs.exe
        c:\users\admin\appdata\local\temp\\wmpscfgs.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5004
      • C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
        C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4376
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:3772
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4948
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17416 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:960
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17424 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4448

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          wmpscfgs.exe

          • Path C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
          • Size 582KB
          • SHA256 b2d5d5a629815ee355fcd7b420994b7d31716957c286610ad4199ab0cef34cf1
          • MD5 SHA1 SHA512 SSDEEP

          wmpscfgs.exe

          • Path C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
          • Size 582KB
          • SHA256 b2d5d5a629815ee355fcd7b420994b7d31716957c286610ad4199ab0cef34cf1
          • MD5 SHA1 SHA512 SSDEEP

          wmpscfgs.exe

          • Path C:\Program Files (x86)\Internet Explorer\wmpscfgs.exe
          • Size 582KB
          • SHA256 b2d5d5a629815ee355fcd7b420994b7d31716957c286610ad4199ab0cef34cf1
          • MD5 SHA1 SHA512 SSDEEP

          223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
          • Size 2KB
          • SHA256 e6b2e526e4844e72a863965544a71f5717676d1614c84b6468d607fad2570303
          • MD5 SHA1 SHA512

          223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
          • Size 450B
          • SHA256 8a265fbfe2f86add8d07dfcd7e229dd0df88620dcd6a3866d8d2965d27bf64fd
          • MD5 SHA1 SHA512

          px[1].js

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PR01V9ZG\px[1].js
          • Size 476B
          • SHA256 4d9b83714539f82372e1e0177924bcb5180b75148e22d6725468fd2fb6f96bcc
          • MD5 SHA1 SHA512

          wmpscfgs.exe

          • Path C:\Users\Admin\AppData\Local\Temp\wmpscfgs.exe
          • Size 607KB
          • SHA256 327d2d47768d0b0d0678855627e6e177402c25d65b760475a2e9e635fea0e68e
          • MD5 SHA1 SHA512 SSDEEP

          wmpscfgs.exe

          • Path C:\Users\Admin\AppData\Local\Temp\wmpscfgs.exe
          • Size 607KB
          • SHA256 327d2d47768d0b0d0678855627e6e177402c25d65b760475a2e9e635fea0e68e
          • MD5 SHA1 SHA512 SSDEEP

          wmpscfgs.exe

          • Path C:\Users\Admin\AppData\Local\Temp\wmpscfgs.exe
          • Size 586KB
          • SHA256 c9d92978c232c68c52af17c4a61c002144b30bb14536da18aa1f6ddb0bd5601f
          • MD5 SHA1 SHA512 SSDEEP

          acrotray .exe

          • Path \??\c:\program files (x86)\adobe\acrotray .exe
          • Size 596KB
          • SHA256 33c1a639af7010a169f9cc7b9349a2f736d66989c11121cbc5419e5908b0e78b
          • MD5 SHA1 SHA512 SSDEEP

          wmpscfgs.exe

          • Path \??\c:\users\admin\appdata\local\temp\wmpscfgs.exe
          • Size 607KB
          • SHA256 327d2d47768d0b0d0678855627e6e177402c25d65b760475a2e9e635fea0e68e
          • MD5 SHA1 SHA512 SSDEEP

          memory/208-0-0x0000000010000000-0x0000000010010000-memory.dmp