Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2023 06:15

General

  • Target

    6cd6886073587daf04c01e52123721b378085bf86efd763ba30d7e2dabb98650.exe

  • Size

    1.4MB

  • MD5

    0943c656c699630786a8bbf5f7a7ca51

  • SHA1

    c46775842846baef746f168dc14b0f4a697c6160

  • SHA256

    6cd6886073587daf04c01e52123721b378085bf86efd763ba30d7e2dabb98650

  • SHA512

    5ac858e0e4baeeea86d39f6478ce9080f3e31b44abe4a418421f3c6161a83b1c1c29f146f876940cb2e9ec84af8dee620cc6a3f7f39d167e3ea73a102cc72a6e

  • SSDEEP

    24576:KYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnxyzH8M:KYREXSVMDi3Q

Malware Config

Signatures

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cd6886073587daf04c01e52123721b378085bf86efd763ba30d7e2dabb98650.exe
    "C:\Users\Admin\AppData\Local\Temp\6cd6886073587daf04c01e52123721b378085bf86efd763ba30d7e2dabb98650.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2592
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:220
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240636218.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.4MB

      MD5

      0943c656c699630786a8bbf5f7a7ca51

      SHA1

      c46775842846baef746f168dc14b0f4a697c6160

      SHA256

      6cd6886073587daf04c01e52123721b378085bf86efd763ba30d7e2dabb98650

      SHA512

      5ac858e0e4baeeea86d39f6478ce9080f3e31b44abe4a418421f3c6161a83b1c1c29f146f876940cb2e9ec84af8dee620cc6a3f7f39d167e3ea73a102cc72a6e

    • C:\Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240636218.bat

      Filesize

      51KB

      MD5

      7ca3625f8d9f00a5e46a2a8830afa422

      SHA1

      8889badbeb030f597c3ba94fdc7ab4752273b990

      SHA256

      6b9a23a61bb90047b8bcf92b343f456737fad33d22c2661c327560cd552b05d0

      SHA512

      b35bc781432d9073c057940da788297bd178035d5104abdcc909543fb8a89b942071d8e4e0e7c88d9e0d27ec2b61fb7cc047ca0e9004366157d6dcbae30a3e5c

    • C:\Windows\SysWOW64\240636218.bat

      Filesize

      51KB

      MD5

      7ca3625f8d9f00a5e46a2a8830afa422

      SHA1

      8889badbeb030f597c3ba94fdc7ab4752273b990

      SHA256

      6b9a23a61bb90047b8bcf92b343f456737fad33d22c2661c327560cd552b05d0

      SHA512

      b35bc781432d9073c057940da788297bd178035d5104abdcc909543fb8a89b942071d8e4e0e7c88d9e0d27ec2b61fb7cc047ca0e9004366157d6dcbae30a3e5c

    • C:\Windows\SysWOW64\240636218.bat

      Filesize

      51KB

      MD5

      7ca3625f8d9f00a5e46a2a8830afa422

      SHA1

      8889badbeb030f597c3ba94fdc7ab4752273b990

      SHA256

      6b9a23a61bb90047b8bcf92b343f456737fad33d22c2661c327560cd552b05d0

      SHA512

      b35bc781432d9073c057940da788297bd178035d5104abdcc909543fb8a89b942071d8e4e0e7c88d9e0d27ec2b61fb7cc047ca0e9004366157d6dcbae30a3e5c

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\windows\SysWOW64\240636218.bat

      Filesize

      51KB

      MD5

      7ca3625f8d9f00a5e46a2a8830afa422

      SHA1

      8889badbeb030f597c3ba94fdc7ab4752273b990

      SHA256

      6b9a23a61bb90047b8bcf92b343f456737fad33d22c2661c327560cd552b05d0

      SHA512

      b35bc781432d9073c057940da788297bd178035d5104abdcc909543fb8a89b942071d8e4e0e7c88d9e0d27ec2b61fb7cc047ca0e9004366157d6dcbae30a3e5c