Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 7 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 1 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⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • 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:1752
    • C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
      C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe
        "C:\Users\Admin\AppData\Local\Temp\HD_260209cefc32912207ec3f23fdd66b3b3442c8d25db0fc0c7cd2957da3e2d897.exe" --channel=2688.0.1435252663 --type=renderer
        3⤵
        • Executes dropped EXE
        PID:2720
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2980
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3004
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259427088.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.3MB

      MD5

      61d496c811032dce06ad7e9600d63291

      SHA1

      098268ad24cc010fbab04bc9890a3e42485e67d8

      SHA256

      1f4197132d2a288789567c5daa040b3971f40fa443e6c8009c1af9f1435a61e3

      SHA512

      03090cbb96e0a2919c176ab2159dd63a3946a17a7414db9293dc1215537b8dee9933d842ae6eefdec6989616d5be08bc8996370b5afbeb3c0e57e200c98d784b

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

      Filesize

      1.5MB

      MD5

      7a97aa40d8a3da4a9095873c72d524c5

      SHA1

      d219db66995e0548ea1226cb1806388b1ac718f7

      SHA256

      00d2ce2c35e8f2d31c2a8778c6e8846be3d1467cd1e66aa494571a14dea0e4d1

      SHA512

      16de6e0fdda9ebd7de996e97f73d9fad661c947320b604e5aafdcde50ee4582b1b07da98233b12dc76c464abe2104323c056b1ab477532ee10f5117cb03aa90c

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

      Filesize

      337KB

      MD5

      fb66e1e31fa1e6dfb21a50ccd11e0409

      SHA1

      6c45a0a115ec896eb14a531a44809b2a22cf8934

      SHA256

      5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

      SHA512

      58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

    • \Windows\SysWOW64\259427088.bat

      Filesize

      51KB

      MD5

      e036ed6062288b892b94ae0f44107903

      SHA1

      524cca6ae02a4509159650f7aabf0a929e0c8ac6

      SHA256

      808d25b0ed968f09658b772c5795a861a97a6c9911ca7103671f0a8404342741

      SHA512

      311d02900d7b996c96cf1fbfcbfc5a0c1081aa8e17e8e8b387f606b816c98dc9b0908934fa467c6fc4065341a05f5893faad966b24153fcf90109b96203256d8

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2720-33-0x0000000000F70000-0x0000000000F72000-memory.dmp

      Filesize

      8KB