Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2024, 01:01

General

  • Target

    a1a77d48d276da51e97ce070b0d4c08c6f2900e8a2d4c15ce0adb4cff27c2669.bat

  • Size

    2.8MB

  • MD5

    0be98dc322d842f3f9952ca41c2fe012

  • SHA1

    a0d32141b0c3bb39ce4f4e6a8d4fb0699341d4e3

  • SHA256

    a1a77d48d276da51e97ce070b0d4c08c6f2900e8a2d4c15ce0adb4cff27c2669

  • SHA512

    87b4c7bea4e405b9c7f272c4873f648c8ce7ca43543f66e2996b333a2695b90c689d5e31329198a3be8aeea519f39db99408274821bb7066fedb94606ad83b8f

  • SSDEEP

    24576:FYfNclHFdqSgaRDQMErAfBEHuMEIZVx+RCNJXCP+G1dT+pnmSqocVHrO5I8CZ:FqNclHbqS710rAf+uME6AP7xCA

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 17 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs

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

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\a1a77d48d276da51e97ce070b0d4c08c6f2900e8a2d4c15ce0adb4cff27c2669.bat"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:2848
      • 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:2864
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:2668
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\a1a77d48d276da51e97ce070b0d4c08c6f2900e8a2d4c15ce0adb4cff27c2669.bat" "C:\\Users\\Public\\AnyDesk.jpeg" 9
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2964
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\a1a77d48d276da51e97ce070b0d4c08c6f2900e8a2d4c15ce0adb4cff27c2669.bat" "C:\\Users\\Public\\AnyDesk.jpeg" 9
            3⤵
            • Executes dropped EXE
            PID:2320
        • 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:2840
          • 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:3060
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Public\Libraries\boiaiyuP.cmd" "
            3⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2392
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
              4⤵
                PID:1048
              • 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:1096
              • 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:2220
              • 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:1796
              • 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:636
                • 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:2512
              • C:\Windows \SysWOW64\per.exe
                "C:\\Windows \\SysWOW64\\per.exe
                4⤵
                • Executes dropped EXE
                PID:2276
              • C:\Windows \SysWOW64\per.exe
                "C:\Windows \SysWOW64\per.exe"
                4⤵
                • Executes dropped EXE
                PID:556
              • 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:3012
              • 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:1000
              • 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:2092
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl.exe /y C:\Users\Public\Libraries\AnyDesk.PIF /d C:\\Users\\Public\\Libraries\\Puyiaiob.PIF /o
              3⤵
                PID:1032
              • C:\Windows\SysWOW64\SndVol.exe
                C:\Windows\System32\SndVol.exe
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:2716
            • 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:2892
            • 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:2076

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\ANYDESKS\logs.dat

            Filesize

            222B

            MD5

            9755153de07c5063dcdc2a1880de3d93

            SHA1

            ae57f75b00347109b94948668fbff2b710cbadc4

            SHA256

            a8a024b50b6fa1f0927c4735cd7e7ac75e43c03b449a926f39914f6d2428164c

            SHA512

            a8f99132ce2984660b33f09e437e26a319bfaac703de7a5f54c4d41591052d40fa3f51f3307e6a7fca657f8befbe7a5e68c1bf7ba9d450c126efe08ee9099acc

          • C:\Users\Public\AnyDesk.jpeg

            Filesize

            2.0MB

            MD5

            327ee6dcf81e0c79b5f0d98fa9827d97

            SHA1

            6855c1d0a5a78b282791317325b63d1ab386180d

            SHA256

            976d7babcde75ecb4d9b07f3fb406ab28b61c82b4b5ed3d0b73418ac76f56464

            SHA512

            3896603182283921a240c50ed60d9fae0aecade0536d6d0562759ab5653536576401569a270ae8f8a91f22c01f0e972d3ebba3b09ea44b8b41175a9217f18b77

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

            Filesize

            1.0MB

            MD5

            35811e8d8969bef5354c7c3e6dbefb27

            SHA1

            e4696f8af5a54511e89b0153a443c891ffd56511

            SHA256

            93674e207f913c1e8fa39a6e75807c6865c73feee39e38e7a9747003c8bd22b1

            SHA512

            61d0e4be16d68775c5b73b52e976fb64d10a6a16a5ddf94312c26947268b378fd04f19242a5d9d281e4f30fcec9def9e60c15819b9428c0660ecc99c067910f0

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

            Filesize

            60KB

            MD5

            b87f096cbc25570329e2bb59fee57580

            SHA1

            d281d1bf37b4fb46f90973afc65eece3908532b2

            SHA256

            d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

            SHA512

            72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

          • C:\Users\Public\alpha.pif

            Filesize

            295KB

            MD5

            ad7b9c14083b52bc532fba5948342b98

            SHA1

            ee8cbf12d87c4d388f09b4f69bed2e91682920b5

            SHA256

            17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

            SHA512

            e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

          • C:\Users\Public\kn.exe

            Filesize

            1.1MB

            MD5

            ec1fd3050dbc40ec7e87ab99c7ca0b03

            SHA1

            ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

            SHA256

            1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

            SHA512

            4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

          • C:\Users\Public\xpha.pif

            Filesize

            15KB

            MD5

            6242e3d67787ccbf4e06ad2982853144

            SHA1

            6ac7947207d999a65890ab25fe344955da35028e

            SHA256

            4ca10dba7ff487fdb3f1362a3681d7d929f5aa1262cdfd31b04c30826983fb1d

            SHA512

            7d0d457e1537d624119a8023bcc086575696a5739c0460ef11554afac13af5e5d1edc7629a10e62834aba9f1b3ab1442011b15b4c3930399d91dca34b3b1cbaf

          • C:\Windows \SysWOW64\per.exe

            Filesize

            94KB

            MD5

            869640d0a3f838694ab4dfea9e2f544d

            SHA1

            bdc42b280446ba53624ff23f314aadb861566832

            SHA256

            0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

            SHA512

            6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

          • \Users\Public\alpha.exe

            Filesize

            337KB

            MD5

            5746bd7e255dd6a8afa06f7c42c1ba41

            SHA1

            0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

            SHA256

            db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

            SHA512

            3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

          • memory/2600-93-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-84-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-46-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-86-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-85-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-82-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-79-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-75-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-74-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-69-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-110-0x0000000000400000-0x000000000050C000-memory.dmp

            Filesize

            1.0MB

          • memory/2600-66-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-64-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-61-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-59-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-56-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-54-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-52-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-49-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-47-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-107-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-105-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-102-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-100-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-45-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-97-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-95-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-37-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-91-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-89-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-87-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-39-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-83-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-80-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-81-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-42-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-77-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-78-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-76-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-72-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-73-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-71-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-70-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-68-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-67-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-65-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-63-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-40-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-62-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-60-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-57-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-58-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-38-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-55-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-53-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-51-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-50-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-48-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-34-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-33-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-44-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-43-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB

          • memory/2600-41-0x00000000032B0000-0x00000000042B0000-memory.dmp

            Filesize

            16.0MB