Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 17:55

General

  • Target

    NEAS.0c27c301c4175a8edfd2e116b16f41c0_JC.exe

  • Size

    424KB

  • MD5

    0c27c301c4175a8edfd2e116b16f41c0

  • SHA1

    61af7180cb86be566c2099f9d657c4b225a75ca4

  • SHA256

    1102ad15a84f32ac874383c808df23e29654f35bcae7df1aab0150e1708a3fa6

  • SHA512

    129af3914d9d8b7667fa701616ff28ca0e3647b34450dd1b9a35fb4c851ea21421d97d80e45f7a23b6e18d161ec9d4bcb33ba2009b16e1f3418f177748ff2000

  • SSDEEP

    6144:gDCwfG1bnxLEDrDCwfG1bnxLEDfKnydFb4YMIwT:g72bntEDr72bntEDSydjMLT

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.0c27c301c4175a8edfd2e116b16f41c0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.0c27c301c4175a8edfd2e116b16f41c0_JC.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2092
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4584
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
        3⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2164
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2516
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:4404
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4628
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3888
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2808
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2320
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4760
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:468
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2908
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:4476
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1092
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:1480
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3624
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2968
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:4772
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3768
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:3588
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1600

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\avscan.exe

            Filesize

            424KB

            MD5

            29428a0ff5102970d9b76609679bad81

            SHA1

            dcad56ddadc962875e2b54e30bfde8b670a4985a

            SHA256

            175c56fe4e5294bfbbb9d9a3a36579caf86613c81a70ed997eae251231f5ddd5

            SHA512

            4a60960e9b8e6b3653f00920aa2e526b62b31c2bf5b143b6bd06cb77511cab761774ecebb99ddb319e419aa02bae1f0bb73dce74322684c34cc37f6735457e62

          • C:\Users\Admin\AppData\Local\Temp\avscan.exe

            Filesize

            424KB

            MD5

            29428a0ff5102970d9b76609679bad81

            SHA1

            dcad56ddadc962875e2b54e30bfde8b670a4985a

            SHA256

            175c56fe4e5294bfbbb9d9a3a36579caf86613c81a70ed997eae251231f5ddd5

            SHA512

            4a60960e9b8e6b3653f00920aa2e526b62b31c2bf5b143b6bd06cb77511cab761774ecebb99ddb319e419aa02bae1f0bb73dce74322684c34cc37f6735457e62

          • C:\Users\Admin\AppData\Local\Temp\avscan.exe

            Filesize

            424KB

            MD5

            29428a0ff5102970d9b76609679bad81

            SHA1

            dcad56ddadc962875e2b54e30bfde8b670a4985a

            SHA256

            175c56fe4e5294bfbbb9d9a3a36579caf86613c81a70ed997eae251231f5ddd5

            SHA512

            4a60960e9b8e6b3653f00920aa2e526b62b31c2bf5b143b6bd06cb77511cab761774ecebb99ddb319e419aa02bae1f0bb73dce74322684c34cc37f6735457e62

          • C:\Users\Admin\AppData\Local\Temp\avscan.exe

            Filesize

            424KB

            MD5

            29428a0ff5102970d9b76609679bad81

            SHA1

            dcad56ddadc962875e2b54e30bfde8b670a4985a

            SHA256

            175c56fe4e5294bfbbb9d9a3a36579caf86613c81a70ed997eae251231f5ddd5

            SHA512

            4a60960e9b8e6b3653f00920aa2e526b62b31c2bf5b143b6bd06cb77511cab761774ecebb99ddb319e419aa02bae1f0bb73dce74322684c34cc37f6735457e62

          • C:\Windows\W_X_C.vbs

            Filesize

            195B

            MD5

            80a52bd4f75f3f3c8eb93cf1a1c69ad7

            SHA1

            ec1a392b471c5b2638490b6bf77786892860c56d

            SHA256

            aecdad2f87e4274dda58f2ac7dc2b07fe2ea55ba2a55293350f613f93f047fcb

            SHA512

            b76d8c3fc70f80a994e4b8f7b74892185280e28681e1a5e4909bb880ac74fb18d2e34856663f8693985e9f45bb5c885c1dc174e4fd249348a2dfa602e7a3c504

          • C:\Windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • C:\Windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • C:\Windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • C:\Windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • C:\Windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • C:\windows\hosts.exe

            Filesize

            424KB

            MD5

            a6331afec6e8281328701395b152e70a

            SHA1

            0dfcc62f4fd75e3ceaa2629b61aeace12074815d

            SHA256

            086a249cd953a796457bd4b1439432a4ce68006f1a8bd6570db7ebad72c5b25c

            SHA512

            5707cd5bb925399391eb2f5f7e0740e5be6eee81fcbf1af4a4fdbc386b86f40a45cba2cbd6587d6127c1894bfcc4d4cec52232462e6e3acadb8edd5715fe63d0

          • \??\c:\windows\W_X_C.bat

            Filesize

            336B

            MD5

            4db9f8b6175722b62ececeeeba1ce307

            SHA1

            3b3ba8414706e72a6fa19e884a97b87609e11e47

            SHA256

            d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

            SHA512

            1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b