Analysis

  • max time kernel
    19s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 15:12

General

  • Target

    F.OPumpIstekDocx.bat

  • Size

    2.8MB

  • MD5

    0bdc3aeffe000c9c0c73a3faa2d001d8

  • SHA1

    1c8bc96bd0e00b21d734f936aeaea1e612442912

  • SHA256

    e11e4469c9c003f2b0074deada876e15f30afccae6178c5317e16cf5e6ee1ff6

  • SHA512

    6e577ecc9f09a106bfc32f81ece6e3277f3c02622d12205da0d8efbaf5602d86b6556ed2df576bad9de48c7908122d8ae35008c65ad868822b25b6543865fe83

  • SSDEEP

    24576:kH1yveXvtJNwYay5+kiD7Dm5c0B58llll8lUWtWJxM9bhHNfbTXr063u95fX7:kVyGftJ+YawbiS5BBUvzM9bhHNfnXm

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 61 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\F.OPumpIstekDocx.bat"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:2688
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2796
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:2836
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\F.OPumpIstekDocx.bat" "C:\\Users\\Public\\spoolsv.MPEG" 9
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\F.OPumpIstekDocx.bat" "C:\\Users\\Public\\spoolsv.MPEG" 9
            3⤵
            • Executes dropped EXE
            PID:2720
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 12
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2920
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 12
            3⤵
            • Executes dropped EXE
            PID:2716
        • C:\Users\Public\Libraries\spoolsv.COM
          C:\Users\Public\Libraries\spoolsv.COM
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of WriteProcessMemory
          PID:2432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 668
            3⤵
            • Loads dropped DLL
            • Program crash
            PID:792
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
          2⤵
          • Executes dropped EXE
          PID:2660
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\spoolsv.MPEG" / A / F / Q / S
          2⤵
          • Executes dropped EXE
          PID:2548

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Libraries\spoolsv.COM

        Filesize

        995KB

        MD5

        46fc1e1bca07585cf21cc37149f2b424

        SHA1

        2d028a4ee44f9b3dd5387da39490d45f897d7c8f

        SHA256

        ba9c4833df28503ea4ac99bde43ce579fe555dc3abce36429197c4ec727ce5c3

        SHA512

        8c5a859a3b3d065c63187dbadd621eb71fb8747bbe39b2bb62e00251b747117092bc7791a0a80d7f4034f0255a8b929c270ba603d6b44ed192f94cc4e1802f67

      • C:\Users\Public\spoolsv.MPEG

        Filesize

        1.9MB

        MD5

        6892220c5881083c867b7271ae3242ac

        SHA1

        bd4a53c21f1f7a53ed69cd9ec96f606e880d7e50

        SHA256

        daef811906fb8d0bc905f712e9edbc970d17adc31a5fa5517889b2dcee73ef22

        SHA512

        b98888601892104b01b1276d467a6debb33e26276be949ddde68614435d387e26c669f7a6eb549de28d7c95135fd46b09bfd2fef7ad543e4e34d31e117d0d722

      • \Users\Public\alpha.exe

        Filesize

        337KB

        MD5

        5746bd7e255dd6a8afa06f7c42c1ba41

        SHA1

        0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

        SHA256

        db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

        SHA512

        3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

      • \Users\Public\kn.exe

        Filesize

        1.1MB

        MD5

        ec1fd3050dbc40ec7e87ab99c7ca0b03

        SHA1

        ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

        SHA256

        1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

        SHA512

        4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

      • memory/2432-32-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-35-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-37-0x0000000000400000-0x0000000000502000-memory.dmp

        Filesize

        1.0MB

      • memory/2432-39-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-65-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-51-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-64-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-89-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-88-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-87-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-83-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-82-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-81-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-80-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-78-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-76-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-75-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-73-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-72-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-69-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-67-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-66-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-63-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-62-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-61-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-60-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-58-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-57-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-56-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-85-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-79-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-54-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-53-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-70-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-50-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-118-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-49-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-114-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-112-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-109-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-59-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-104-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-48-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-100-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-96-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-47-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-93-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-90-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-86-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-84-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-46-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-55-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-77-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-45-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-74-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-71-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-68-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-52-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-44-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-41-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-43-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-42-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB

      • memory/2432-40-0x00000000026A0000-0x00000000036A0000-memory.dmp

        Filesize

        16.0MB