Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 15:39

General

  • Target

    c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe

  • Size

    15.8MB

  • MD5

    9c77a6f2db29a27a94c86e6e0287edff

  • SHA1

    a0e214d451c674ae655686139acc90b41ace5688

  • SHA256

    c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0

  • SHA512

    9a6cec14997f77ccfa4681e69686bf6c7aef6d062cc972988f168249a4f2fc15cdc68fac5ae3fa0a76fe5f346a9a0b246d2dda775eea4e92ff7dee62a48e7fb0

  • SSDEEP

    196608:PpR42HdZR1KCRK1Fdbqj8c4nRNZsxHJ5ayTTkpcDDeEIZs:342HdZR1KCRK1LbqQdnRNSxH9nnKtZs

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 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe
    "C:\Users\Admin\AppData\Local\Temp\c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:2688
    • C:\Users\Admin\AppData\Local\Temp\HD_c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe
      2⤵
      • Executes dropped EXE
      PID:2552
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:1936
    • 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:2480
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259391957.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.2MB

      MD5

      f34def4d397967618848f2722b0232e9

      SHA1

      a916aa31487bb8a3a14bce6c3f0ccfe14e30dc80

      SHA256

      a98dfa864f753685293c7e3365a4beec35046d878c65728ea3905e172fd17a22

      SHA512

      b4ab110ba41b6ff6ebd9845d1d916cd79b4a1666df40b8aa6fc011b74c8c337d89b538010438a7ce95bf2a2e62ded32a560a47731779f1a98d4c1c0d34ac427a

    • \Users\Admin\AppData\Local\Temp\HD_c1da3965e1a475fb5595b88dc31c6494a14ae5b8c9d4344aa861da8f43dd5dd0.exe

      Filesize

      14.7MB

      MD5

      ba711f573918fab161b00b6bb882a069

      SHA1

      40891d9daa23a48b00105af25df5ddeb5b1f93ea

      SHA256

      3383f24610d5ceb58d493a978da69c6b9882fab3ac59a802a965de91deaba767

      SHA512

      b0e7a1b058d21cd7a51d713fea3645d0df87e02ab0a2f3e756b82b03ff5a82cd8b5246685caddd6bac976ac96ba2f63f055b20735439d8eea03c3f6219ebe698

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259391957.bat

      Filesize

      51KB

      MD5

      befa20efe7ead8c5dd5b226cf1d9ad10

      SHA1

      7b878321fee5671ece43a67145f37bb3e14d3228

      SHA256

      8c591a1d16ee784e4055a4e6064af3c93e6259348ccbcea96e0a4291e406626b

      SHA512

      886618941a124305c1775dd7fdf2d57acdaab17c20e661a5f386d000e16236135510e88e53d72c6f7353bab4ec005b57f982f57f9f175297a8e011466c559c2a

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d