Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 08:26

General

  • Target

    1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3.exe

  • Size

    1.3MB

  • MD5

    61d496c811032dce06ad7e9600d63291

  • SHA1

    098268ad24cc010fbab04bc9890a3e42485e67d8

  • SHA256

    1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3

  • SHA512

    03090cbb96e0a2919c176ab2159dd63a3946a17a7414db9293dc1215537b8dee9933d842ae6eefdec6989616d5be08bc8996370b5afbeb3c0e57e200c98d784b

  • SSDEEP

    24576:iYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9gyzIqfa1M:iYREXSVMKi32qfF

Malware Config

Signatures

  • Gh0st RAT payload 1 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\1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3.exe
    "C:\Users\Admin\AppData\Local\Temp\1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3996
    • 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:3232
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:3160
    • 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:992
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240605171.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.3MB

      MD5

      61d496c811032dce06ad7e9600d63291

      SHA1

      098268ad24cc010fbab04bc9890a3e42485e67d8

      SHA256

      1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3

      SHA512

      03090cbb96e0a2919c176ab2159dd63a3946a17a7414db9293dc1215537b8dee9933d842ae6eefdec6989616d5be08bc8996370b5afbeb3c0e57e200c98d784b

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

      Filesize

      337KB

      MD5

      fb66e1e31fa1e6dfb21a50ccd11e0409

      SHA1

      6c45a0a115ec896eb14a531a44809b2a22cf8934

      SHA256

      5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

      SHA512

      58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

    • C:\Windows\SysWOW64\240605171.bat

      Filesize

      51KB

      MD5

      e036ed6062288b892b94ae0f44107903

      SHA1

      524cca6ae02a4509159650f7aabf0a929e0c8ac6

      SHA256

      808d25b0ed968f09658b772c5795a861a97a6c9911ca7103671f0a8404342741

      SHA512

      311d02900d7b996c96cf1fbfcbfc5a0c1081aa8e17e8e8b387f606b816c98dc9b0908934fa467c6fc4065341a05f5893faad966b24153fcf90109b96203256d8

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641