Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 15:05

General

  • Target

    JC_ba783bf92c58996b8c17edf3b68d34da60cd21e5b6c2b5dc89fdd977992a7c6c.exe

  • Size

    1.5MB

  • MD5

    9f87596c87902317e185e04c0363c978

  • SHA1

    e5356cab57353267c3f2f659491c1a22fffb88af

  • SHA256

    ba783bf92c58996b8c17edf3b68d34da60cd21e5b6c2b5dc89fdd977992a7c6c

  • SHA512

    8320dc777de09ed92ca9b1f54cd1f5b690ed796d1979514fd6e524e41834916c13c31f80dd8da822cc1679ef7bbf447f1d1856e346465b89ba1d9e18fe457114

  • SSDEEP

    24576:dYFbkIsaPiXSVnC7Yp9zkNmZG8RRln7yzHkSuf:dYREXSVMDi3PX

Malware Config

Signatures

  • Gh0st RAT payload 4 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\JC_ba783bf92c58996b8c17edf3b68d34da60cd21e5b6c2b5dc89fdd977992a7c6c.exe
    "C:\Users\Admin\AppData\Local\Temp\JC_ba783bf92c58996b8c17edf3b68d34da60cd21e5b6c2b5dc89fdd977992a7c6c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1672
    • 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:2088
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2484
    • 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:2900
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259430115.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.5MB

      MD5

      9f87596c87902317e185e04c0363c978

      SHA1

      e5356cab57353267c3f2f659491c1a22fffb88af

      SHA256

      ba783bf92c58996b8c17edf3b68d34da60cd21e5b6c2b5dc89fdd977992a7c6c

      SHA512

      8320dc777de09ed92ca9b1f54cd1f5b690ed796d1979514fd6e524e41834916c13c31f80dd8da822cc1679ef7bbf447f1d1856e346465b89ba1d9e18fe457114

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \??\c:\windows\SysWOW64\259430115.bat

      Filesize

      51KB

      MD5

      71f20b9039067caaaad113d86bcd1770

      SHA1

      319ba057bb94c37cdca097cc00a6a8057e3c0315

      SHA256

      4b7806dcc55f5dec4f9db35ccb39b9abebf2f556a5c669517cc9a2849fb69d7c

      SHA512

      6b58dcd0ec773517f537f4b39040deefa8fbe551e43ffc36bcc2196accc642d372286feba69bccb66a5681b34971f6fb62cb2e1f4b13209e4e7bf754b0cf2f7d

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259430115.bat

      Filesize

      51KB

      MD5

      71f20b9039067caaaad113d86bcd1770

      SHA1

      319ba057bb94c37cdca097cc00a6a8057e3c0315

      SHA256

      4b7806dcc55f5dec4f9db35ccb39b9abebf2f556a5c669517cc9a2849fb69d7c

      SHA512

      6b58dcd0ec773517f537f4b39040deefa8fbe551e43ffc36bcc2196accc642d372286feba69bccb66a5681b34971f6fb62cb2e1f4b13209e4e7bf754b0cf2f7d

    • \Windows\SysWOW64\259430115.bat

      Filesize

      51KB

      MD5

      71f20b9039067caaaad113d86bcd1770

      SHA1

      319ba057bb94c37cdca097cc00a6a8057e3c0315

      SHA256

      4b7806dcc55f5dec4f9db35ccb39b9abebf2f556a5c669517cc9a2849fb69d7c

      SHA512

      6b58dcd0ec773517f537f4b39040deefa8fbe551e43ffc36bcc2196accc642d372286feba69bccb66a5681b34971f6fb62cb2e1f4b13209e4e7bf754b0cf2f7d

    • \Windows\SysWOW64\259430115.bat

      Filesize

      51KB

      MD5

      71f20b9039067caaaad113d86bcd1770

      SHA1

      319ba057bb94c37cdca097cc00a6a8057e3c0315

      SHA256

      4b7806dcc55f5dec4f9db35ccb39b9abebf2f556a5c669517cc9a2849fb69d7c

      SHA512

      6b58dcd0ec773517f537f4b39040deefa8fbe551e43ffc36bcc2196accc642d372286feba69bccb66a5681b34971f6fb62cb2e1f4b13209e4e7bf754b0cf2f7d

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d