Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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 6 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe
    "C:\Users\Admin\AppData\Local\Temp\cb73badf0e8c310b22a569dc32bf99b534c0ab2cc7c89ebac4654422a6ad1e1f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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:2412
    • 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:2604
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2108
    • 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:2104
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259400365.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2816

    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

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

      Filesize

      8.6MB

      MD5

      c41fff8e1bb43f921742f9a0e26b9f30

      SHA1

      e1e196010c6ca1ff6878c7fe6439cf389380cca8

      SHA256

      48b87fb18808215b5dc4e77f74e42de61b1f42ad46a9c5fbb188889f9ca922ce

      SHA512

      f7957ef978f84552db5c8de2f7ecabe93e25264134c82427ad7b3c2fad919199f343f7be27b68eafd9451d8efa568f19373160843581544e0a0ffd74a7a5a6ab

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259400365.bat

      Filesize

      51KB

      MD5

      12d5607f3ecaf568295820830a59b7f8

      SHA1

      2bec8b410c445616344a1fae225901e6b622ecbc

      SHA256

      a91d63d04c16edd527e148cc166df0855dc8e7e94d3ee30696c3f84ddde34726

      SHA512

      7c83bc755ade89d21e1adca7ed12b0c25b9f4943e97645c58b7374e38dd0f5cacd3fa876c6f6ab4a5cd22d51e6341cbcf70757064f2abdc1d25e5c2390d37129

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d