Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2024 14:36

General

  • Target

    679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe

  • Size

    4.6MB

  • MD5

    64d34dbd3c392f7aee145775fdf5ac5e

  • SHA1

    7e2dcb57df470e14faa23be53b9e0848b833f567

  • SHA256

    679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3

  • SHA512

    0288981544361fc1340a3aba4a207a6b014372579cb76ab8ff4d052336a6a57baeaef77ea2cf87bb8f10c1e78d3cbb725977cf3aed21f19370deabe7e58548dd

  • SSDEEP

    49152:sYREXSVMDi3gKbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:12SVMD8gKbXsPN5kiQaZ56

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\679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe
    "C:\Users\Admin\AppData\Local\Temp\679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3004
    • 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:2484
    • C:\Users\Admin\AppData\Local\Temp\HD_679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe
      C:\Users\Admin\AppData\Local\Temp\HD_679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe
      2⤵
      • Executes dropped EXE
      PID:2164
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2144
    • 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:2140
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259431581.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.6MB

      MD5

      e03ba42144790c8015ab41ff24ab8e49

      SHA1

      ffea9f123323b97febfb52486fc26e4def282314

      SHA256

      62b20356f2b5b974ca3f1724d5cc0d872f3d8711c688a0148c8c0372490830cd

      SHA512

      92e44e9674bb2445e0c0e37516bfa81fc1066539ab8176a92874c5d23af6c3499d419000f1ffa9764dcda83a08f174ab52543e251e6ceb7a54a4207acdd1fd52

    • \Users\Admin\AppData\Local\Temp\HD_679e02eeeeae9ac957cbb2339a3ac7001e8f6bdcead1e58053f874beaa235fa3.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259431581.bat

      Filesize

      51KB

      MD5

      4bde745b0d0e003516ef4e47b4bb26b1

      SHA1

      b3b203d5be794abb2eac436d4d900b8e9bab5c83

      SHA256

      a06cd283c43b9c23a9a3a59d9cadac398e64a4ed58a857e153ac42ceada27901

      SHA512

      d255b803ea29517486f39f196891df4b402025959dad39ec70aec755a4ea4f44f66445319ac21621cfb571fa570526217e42722931de8d97185372f3b6dae0a3

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d