Analysis

  • max time kernel
    149s
  • max time network
    147s
  • 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 07:21

General

  • Target

    4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe

  • Size

    1.2MB

  • MD5

    92812a779e713b8eb1cfb3a24e073f63

  • SHA1

    ced6477147ed84b3fda7caef451b4270fea2a059

  • SHA256

    4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e

  • SHA512

    a9fbd24cb6b2ffe5f539fad4ffbb8ef786048099233c195f341790db58dba49a2516f6022cb2f6e63df2f0a8f2772a3b5e61b51425458cf2ebf4dfd4f1040c4c

  • SSDEEP

    24576:tYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnOyzCOt:tYREXSVMDi3YK

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\4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3156
    • 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:1940
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:4660
    • 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:4812
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240597828.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:5116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.2MB

      MD5

      92812a779e713b8eb1cfb3a24e073f63

      SHA1

      ced6477147ed84b3fda7caef451b4270fea2a059

      SHA256

      4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e

      SHA512

      a9fbd24cb6b2ffe5f539fad4ffbb8ef786048099233c195f341790db58dba49a2516f6022cb2f6e63df2f0a8f2772a3b5e61b51425458cf2ebf4dfd4f1040c4c

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

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240597828.bat
      Filesize

      51KB

      MD5

      9e164ea5451863b508942a7f6c6d3f6d

      SHA1

      0ed210b200a0219cb72b1d045fc503c3b3405edd

      SHA256

      9db6765b68a8bf6e6b0038934a33d7f9b600db0b1085f03e09e55f892b35eb99

      SHA512

      62358f6a7f1dbdd2798337d82c336a5c55827d732e4d50ded52a20656019c7755d3c76b69b2d92b6b456921dfdda9b1a4a0531548c8e7efce129c27a861659e1

    • C:\Windows\SysWOW64\svchcst.exe
      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641