Analysis

  • max time kernel
    272s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 21:02

General

  • Target

    851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat

  • Size

    3.2MB

  • MD5

    b766a151851fff661fd05df17c722fe0

  • SHA1

    b72ca0ded29114b5d4f333e2c8d32f37f075c059

  • SHA256

    851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208

  • SHA512

    1940cf3c9b83c4298d6beffc612657e379073dfce854b14306919d5fe8a73c888906cdeebdb7803f3ab5ae41a44a0b04fc2520d675dc9ebd253dce4ad0faae60

  • SSDEEP

    49152:Xf2itfXve4rdS832GjhZqBaN6y3L8boHHTA0:Z

Score
10/10

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 7 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
      2⤵
        PID:1864
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Windows\system32\extrac32.exe
          extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:1872
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 9
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2160
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 9
            3⤵
            • Executes dropped EXE
            PID:2496
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 12
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 12
            3⤵
            • Executes dropped EXE
            PID:2616
        • C:\Users\Public\Libraries\Yano.com
          C:\Users\Public\Libraries\Yano.com
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 792
            3⤵
            • Loads dropped DLL
            • Program crash
            PID:2584
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c del "C:\Users\Public\Yano.txt" / A / F / Q / S
          2⤵
          • Executes dropped EXE
          PID:2540
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S
          2⤵
          • Executes dropped EXE
          PID:2712

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Libraries\Yano.com

        Filesize

        1.2MB

        MD5

        6e81d417826597c23f59c6dc8d0e9325

        SHA1

        6b8f936e6d7249471d1acdf5e3ec50faea11211a

        SHA256

        92286b5317d643787e4109d2d7354e94593416720d0b8f8aa2d497a16a24f377

        SHA512

        37dfc57c6ada7b379150c1085dcef8b01b4e950f011bc45f50889c883ff28d33a0be4fb0a66f1b1a8d862a6e37dcaf1f810b66bd094b7baff5cfb8f041d198cc

      • C:\Users\Public\Yano.txt

        Filesize

        2.3MB

        MD5

        4cf5c11880ee66463fbbbd2d00371d09

        SHA1

        9c438f3129d126279e62d738ced076daf88090af

        SHA256

        47b157a5a99f3304a954236dd5f85978bd8dfb8a741abefd2798dfc2b2e2a8c7

        SHA512

        0915ee260c1e625779b7036c049bd2aafc43852d5585f3674bebca41189025db9c13d9cc4543fde579f61128c815107b5d765cc45e24e4f109f4aaf41038a9ce

      • C:\Users\Public\kn.exe

        Filesize

        1.1MB

        MD5

        ec1fd3050dbc40ec7e87ab99c7ca0b03

        SHA1

        ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

        SHA256

        1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

        SHA512

        4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

      • \Users\Public\alpha.exe

        Filesize

        337KB

        MD5

        5746bd7e255dd6a8afa06f7c42c1ba41

        SHA1

        0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

        SHA256

        db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

        SHA512

        3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

      • memory/2608-28-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/2608-33-0x0000000002D20000-0x0000000003D20000-memory.dmp

        Filesize

        16.0MB

      • memory/2608-34-0x0000000002D20000-0x0000000003D20000-memory.dmp

        Filesize

        16.0MB

      • memory/2608-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/2608-37-0x0000000000400000-0x0000000000531000-memory.dmp

        Filesize

        1.2MB