Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 14:31

General

  • Target

    USD470900_COPY_800BLHSBC882001.PDF.bat

  • Size

    3.2MB

  • MD5

    c96743116088d21b52516f16f4866f69

  • SHA1

    9b9d500993f74ed975945419b6a25c03e80d8400

  • SHA256

    58348cc94b984ca026fa0a319b93ac988a394ed3d5ec39c01c47a8e762ebdb16

  • SHA512

    1a7520b8de10e9fb71f18f22287e298f25743a26ea946e71fb3b895bb8679f86986fe2b0ec30a0d7589cd85af404eca27d8ccf2a47f895f9c166c55660a8edd0

  • SSDEEP

    24576:PdLbg3tuCmhfOs2TLie3m0nKaf5ohA87eR4xGVPTXJF7wb2l+qCWuj8lzoQjJpcp:PR03turhfwL8uJFlEoNZHk

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 15 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\USD470900_COPY_800BLHSBC882001.PDF.bat"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:2456
      • 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:2208
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:2428
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\USD470900_COPY_800BLHSBC882001.PDF.bat" "C:\\Users\\Public\\AnyDesk.jpeg" 9
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3056
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\USD470900_COPY_800BLHSBC882001.PDF.bat" "C:\\Users\\Public\\AnyDesk.jpeg" 9
            3⤵
            • Executes dropped EXE
            PID:2304
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\AnyDesk.jpeg" "C:\\Users\\Public\\Libraries\\AnyDesk.PIF" 12
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\AnyDesk.jpeg" "C:\\Users\\Public\\Libraries\\AnyDesk.PIF" 12
            3⤵
            • Executes dropped EXE
            PID:2996
        • C:\Users\Public\Libraries\AnyDesk.PIF
          C:\Users\Public\Libraries\AnyDesk.PIF
          2⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of WriteProcessMemory
          PID:2772
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Public\Libraries\hgkvgoaF.cmd" "
            3⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:592
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
              4⤵
                PID:352
              • C:\Windows\SysWOW64\esentutl.exe
                C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
                4⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                PID:1748
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:2020
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1304
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2408
                • C:\Users\Public\xpha.pif
                  C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3012
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1264
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1692
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:744
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl.exe /y C:\Users\Public\Libraries\AnyDesk.PIF /d C:\\Users\\Public\\Libraries\\Faogvkgh.PIF /o
              3⤵
                PID:1776
              • C:\Windows\SysWOW64\SndVol.exe
                C:\Windows\System32\SndVol.exe
                3⤵
                • System Location Discovery: System Language Discovery
                PID:1628
            • 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:2360
            • C:\Users\Public\alpha.exe
              C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\AnyDesk.jpeg" / A / F / Q / S
              2⤵
              • Executes dropped EXE
              PID:2828

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Public\AnyDesk.jpeg

            Filesize

            2.3MB

            MD5

            f4d3d158e042b2f2f6241c94da2370fb

            SHA1

            0228ece140a699a52e806ad7a977ed2a1198035e

            SHA256

            28cd0f0300eb2afa9b4ab00193f0d5868ca091e361e4853cc48ec225b1a87e17

            SHA512

            a97fffa538df6c53b2e3c7f594bb46fbdfbc213eacf86bded4d4080fac0ca4eea7ec1ccc6ddbe6037f65f8f1138ad296e1112e48a3074f29564af7e447ddfe9e

          • C:\Users\Public\Libraries\AnyDesk.PIF

            Filesize

            1.2MB

            MD5

            df6f291f617d9dbae8f32fb11ecd59c1

            SHA1

            3d26f65c19079bea772572e3367b4185aa4c99ca

            SHA256

            43223d630e7d3898d254eaf0c02264261ada01c3ed93fc119c6550e66f406a5b

            SHA512

            4065e8c1072b89b6d741f8268de54ddb5521acad91fb13491fc1e1ed75467e753764501e201336c67cd7871b0774b835222c53e9f29ddf4ca72dac0d37f5f163

          • C:\Users\Public\Libraries\hgkvgoaF.cmd

            Filesize

            60KB

            MD5

            b87f096cbc25570329e2bb59fee57580

            SHA1

            d281d1bf37b4fb46f90973afc65eece3908532b2

            SHA256

            d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

            SHA512

            72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

          • C:\Users\Public\alpha.exe

            Filesize

            337KB

            MD5

            5746bd7e255dd6a8afa06f7c42c1ba41

            SHA1

            0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

            SHA256

            db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

            SHA512

            3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

          • C:\Users\Public\alpha.pif

            Filesize

            295KB

            MD5

            ad7b9c14083b52bc532fba5948342b98

            SHA1

            ee8cbf12d87c4d388f09b4f69bed2e91682920b5

            SHA256

            17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

            SHA512

            e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

          • C:\Users\Public\xpha.pif

            Filesize

            15KB

            MD5

            6242e3d67787ccbf4e06ad2982853144

            SHA1

            6ac7947207d999a65890ab25fe344955da35028e

            SHA256

            4ca10dba7ff487fdb3f1362a3681d7d929f5aa1262cdfd31b04c30826983fb1d

            SHA512

            7d0d457e1537d624119a8023bcc086575696a5739c0460ef11554afac13af5e5d1edc7629a10e62834aba9f1b3ab1442011b15b4c3930399d91dca34b3b1cbaf

          • \Users\Public\kn.exe

            Filesize

            1.1MB

            MD5

            ec1fd3050dbc40ec7e87ab99c7ca0b03

            SHA1

            ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

            SHA256

            1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

            SHA512

            4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

          • memory/2772-62-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-57-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-40-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-41-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-42-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-44-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-46-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-48-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-38-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-54-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-56-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-59-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-39-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-68-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-77-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-80-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-86-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-89-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-93-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-97-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-102-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-43-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-108-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-112-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-47-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-51-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-52-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-32-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-61-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-64-0x0000000000400000-0x0000000000535000-memory.dmp

            Filesize

            1.2MB

          • memory/2772-63-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-36-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-73-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-71-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-70-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-79-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-83-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-87-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-91-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-95-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-99-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-101-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-104-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-115-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-49-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-94-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-92-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-84-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-82-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-81-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-78-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-76-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-75-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-74-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-72-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-69-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-67-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-66-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-60-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-58-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-65-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-53-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB

          • memory/2772-50-0x0000000003600000-0x0000000004600000-memory.dmp

            Filesize

            16.0MB