Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 08:26

General

  • Target

    260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe

  • Size

    2.7MB

  • MD5

    b8a4c7f25256c11bcf931b1c31662912

  • SHA1

    a02f2de4f195839b50728f1a116a8751c3895e8e

  • SHA256

    260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897

  • SHA512

    b6136527b8b30e61951f9e4d3ccd192872938ba707a282d740e0065fb99372a0838fadb7531f8efcd969ec4cae50a9ab3185f0112d903d3fd7e22a7b540ea399

  • SSDEEP

    49152:iYREXSVMKi32qff+XGwv2tP1zTPADnWPMklKu8bi4O8b8ITDnl13S:H2SVMK82qff+Wwv2tP1PPknK

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 4 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).

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
    "C:\Users\Admin\AppData\Local\Temp\260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3844
    • 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:3160
    • C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
      C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
        "C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe" --channel=2528.0.2086958551 --type=renderer
        3⤵
        • Executes dropped EXE
        PID:3428
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2172
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:4888
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240656640.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1296
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3936 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe

        Filesize

        1.5MB

        MD5

        7a97aa40d8a3da4a9095873c72d524c5

        SHA1

        d219db66995e0548ea1226cb1806388b1ac718f7

        SHA256

        00d2ce2c35e8f2d31c2a8778c6e8846be3d1467cd1e66aa494571a14dea0e4d1

        SHA512

        16de6e0fdda9ebd7de996e97f73d9fad661c947320b604e5aafdcde50ee4582b1b07da98233b12dc76c464abe2104323c056b1ab477532ee10f5117cb03aa90c

      • 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\240656640.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