Analysis

  • max time kernel
    154s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 05:38

General

  • Target

    cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe

  • Size

    9.7MB

  • MD5

    e037e85124b6b3c022f53f0ab75d9a27

  • SHA1

    9f5a34c4dc052bd2a82603f67ca31e723b6e93ef

  • SHA256

    cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f

  • SHA512

    6da1671667b0efe4a9a3fa3ed306b9305865e74223a9fb2e2de49c7d9db2bb4026c0f34536215730865478bdcc33cbefc284e21c4c37ce93bf1f9316e6c9a2c1

  • SSDEEP

    196608:f8C+Yek+c78EV4s/b0Snsq8o/cC9Ou86LV47jJekfNNGa:kPRk+c78EusD8o0CeljY0

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.

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 3 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe
    "C:\Users\Admin\AppData\Local\Temp\cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1876
    • C:\Users\Admin\AppData\Local\Temp\HD_cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3576
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:4488
    • 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:696
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240655375.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:464
    • 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=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2612

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.1MB

        MD5

        886dd633a8cb415c0e3cfa22190c9022

        SHA1

        0920adcc4c72cf2fb454049e740e715c216d325f

        SHA256

        1785a53dffdc114d59599baca35673085af93489ac3b404bdc3259f5c4f55284

        SHA512

        6d8de33f413d99542f864001b54de43f8bb357abfe46d1d78b4216349ca4d2d41bf8e175bdae547806492b52faa854130eed5888dc6f5c7fe323228a5cebd920

      • C:\Users\Admin\AppData\Local\Temp\HD_cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe

        Filesize

        8.6MB

        MD5

        c41fff8e1bb43f921742f9a0e26b9f30

        SHA1

        e1e196010c6ca1ff6878c7fe6439cf389380cca8

        SHA256

        48b87fb18808215b5dc4e77f74e42de61b1f42ad46a9c5fbb188889f9ca922ce

        SHA512

        f7957ef978f84552db5c8de2f7ecabe93e25264134c82427ad7b3c2fad919199f343f7be27b68eafd9451d8efa568f19373160843581544e0a0ffd74a7a5a6ab

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

        Filesize

        337KB

        MD5

        2f3b6f16e33e28ad75f3fdaef2567807

        SHA1

        85e907340faf1edfc9210db85a04abd43d21b741

        SHA256

        86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

        SHA512

        db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

      • C:\Windows\SysWOW64\240655375.bat

        Filesize

        51KB

        MD5

        12d5607f3ecaf568295820830a59b7f8

        SHA1

        2bec8b410c445616344a1fae225901e6b622ecbc

        SHA256

        a91d63d04c16edd527e148cc166df0855dc8e7e94d3ee30696c3f84ddde34726

        SHA512

        7c83bc755ade89d21e1adca7ed12b0c25b9f4943e97645c58b7374e38dd0f5cacd3fa876c6f6ab4a5cd22d51e6341cbcf70757064f2abdc1d25e5c2390d37129

      • C:\Windows\SysWOW64\svchcst.exe

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641