Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 23:29

General

  • Target

    345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe

  • Size

    1.2MB

  • MD5

    88916a2fb138130845d8254ee0dfe698

  • SHA1

    29648a63a5780be88200a2987e79c3315a4c9b25

  • SHA256

    345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91

  • SHA512

    d1c0e7f0b3634ff3ab8dc14bfb50e17abd61d1df1c5edcc95c99d11b734d010104ba89b12c6139110cae2ac971c6833cb641a2c43fb1f28d9434a2ee7c1005f4

  • SSDEEP

    24576:IYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnSyzVlO8:IYREXSVMDi3vl7

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 2 IoCs
  • Loads dropped DLL 5 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe
    "C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1908
    • 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:2864
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2868
    • 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:2492
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259394718.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.2MB

      MD5

      88916a2fb138130845d8254ee0dfe698

      SHA1

      29648a63a5780be88200a2987e79c3315a4c9b25

      SHA256

      345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91

      SHA512

      d1c0e7f0b3634ff3ab8dc14bfb50e17abd61d1df1c5edcc95c99d11b734d010104ba89b12c6139110cae2ac971c6833cb641a2c43fb1f28d9434a2ee7c1005f4

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259394718.bat

      Filesize

      51KB

      MD5

      7efbb0bf284ecb6b19e997b8bbc796a7

      SHA1

      850440492e1fadd9b03867eb5d45646d856acbf1

      SHA256

      5bf2567bb01fa5259c314f0945ac94341a6c66bb42a241135ca24847bb0133fe

      SHA512

      64cda075dc5423b702b96b2e4c2b1d6eff4edd7ad6d62b7b4e6979529c9e4fa891c1e5636721667f498426ddd7f85715ae22e52b570980f37d076fd556b49a37

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d