Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 00:31

General

  • Target

    d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe

  • Size

    1.5MB

  • MD5

    89e82d9f5829c2e61e118614c6be4a2b

  • SHA1

    30cc65546d34fe2b3b410531baa746d8cc34925e

  • SHA256

    d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9

  • SHA512

    79d538ab752b8dc2d6c479e26feb56f78bc3eb875b408174545d927c85c0a3895d2353bc74976ad194adbf3667f2c279e79fe06e4110da289467c2b07bc3bccc

  • SSDEEP

    24576:iYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnyyzg0TbCybIelyupy1IyLGirK:iYREXSVMDi3q0T+ybIeH8INt

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 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe
    "C:\Users\Admin\AppData\Local\Temp\d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2976
    • 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:2984
    • C:\Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Windows\SysWOW64\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:2720
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
        PID:2924
      • 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:2920
        • C:\Windows\SysWOW64\svchcst.exe
          C:\Windows\system32\svchcst.exe "c:\windows\system32\259393673.bat",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2868
      • C:\Windows\SysWOW64\ctfmon.exe
        C:\Windows\SysWOW64\ctfmon.exe
        1⤵
        • Modifies data under HKEY_USERS
        PID:2676

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              300KB

              MD5

              09eab1ed423da0805386ae04c01afba6

              SHA1

              1e694364f4a8558e4ec4ac9447819152419b82e0

              SHA256

              3d9a9684fb62a09f9d9f21fc92d5db3b62f0816c7dc36072f755919213d86268

              SHA512

              792720d98237d8d52130960b956c77da910799c5cfefc8a1327104cefc019319fd6e802d3e80ce56c97b0739d34ba4eca0dee145fe23f48dd9f55db842172948

            • C:\Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe

              Filesize

              147KB

              MD5

              57aabb16412bb9758b432234cbb7307d

              SHA1

              241f97094f431882c02445580cb2b4d627a5f2cf

              SHA256

              6327000b11e13c0a8e5659d28414fb2166ef77aa26ba07bafb83260fe3e8aff1

              SHA512

              b3cc227bcf66809c4ff6024f7927dbf4fd014569e74793eb0ceecacd10ff2c3ae211005603323d69d1b615fb2e45e2fd5e126fb70559cea57e48ddd6965673ee

            • C:\Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe

              Filesize

              79KB

              MD5

              d0d3d9322744f07411992c9fe12ca703

              SHA1

              7fe8982fef98a1d49f72cb01290c93f05d0b0f3d

              SHA256

              d9ab44ce1d671e3539083c2ae827138a94eabf66a8f407dba579dbe470c337b4

              SHA512

              21f1605054db178a93b02814f2c2e48c4938ad2c2f13d86411b4b576fdb21fc8395b6db42e6e062315576a11d15ae36894bdf2e862a40df873f7472c9a9946e3

            • C:\Windows\SysWOW64\svchcst.exe

              Filesize

              43KB

              MD5

              51138beea3e2c21ec44d0932c71762a8

              SHA1

              8939cf35447b22dd2c6e6f443446acc1bf986d58

              SHA256

              5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

              SHA512

              794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

            • \Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe

              Filesize

              105KB

              MD5

              f29644854a3bc18e556b84fa20ae7e23

              SHA1

              fed59e6f59e9c9b04615da37279109b235a9b743

              SHA256

              36dd42dca5843fee2fb66bcb47058a3ce88ef77e8219b0df6cc0d41a3b5de31f

              SHA512

              2ee40f5614c852317d75ae3698a1ee454c64c58ef3ef1456d384c199a11b8c89424f6be197bcb375cefcd47c32c7c15f0183b5be42fbe37b0cd99e83c3308c0e

            • \Users\Admin\AppData\Local\Temp\HD_d4ed2b04d3bcaaf6f294a3e47696f161f373dd0f7bcc31073aec90f564bc05b9.exe

              Filesize

              116KB

              MD5

              8537f212637260b197da12b38784e826

              SHA1

              fae9ab7c0bc19a36de01ad3cd945a10d3f393b5c

              SHA256

              6d2372a619dd406301a7cd9de766e4f97b7326801333003447fa42c8737eb58a

              SHA512

              6dfe2695d8e024e29b7bd8e33dce2691810955a54f369fd8a4d9cb179a89c0bbc9529ebc4922d567b6210f15ca4cff44300ca20ae03a71597bfee60e9e323d96

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

              Filesize

              337KB

              MD5

              2f3b6f16e33e28ad75f3fdaef2567807

              SHA1

              85e907340faf1edfc9210db85a04abd43d21b741

              SHA256

              86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

              SHA512

              db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

            • \Windows\SysWOW64\259393673.bat

              Filesize

              51KB

              MD5

              b746ab2c8fb424ef1883c95226f01d60

              SHA1

              28eb1d66902f52b1e97722b2196740827888a8a6

              SHA256

              6751f732e10402db5d67d99818047a67ddf1777ec80ed1ff1691211e60576027

              SHA512

              2c9c480e9a49dea52b7ccf5276fe84d02f9d633a8e28b0e7d04dd209855f5dd83b9df740c5a5150a38177ac84281a3e618201c281475e3ff0544caae41022c3e

            • memory/848-66-0x0000000000400000-0x0000000000595000-memory.dmp

              Filesize

              1.6MB

            • memory/848-23-0x0000000000400000-0x0000000000595000-memory.dmp

              Filesize

              1.6MB

            • memory/2720-45-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-55-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2720-51-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-48-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-38-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-42-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2720-56-0x0000000010000000-0x000000001000F000-memory.dmp

              Filesize

              60KB

            • memory/2720-40-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2976-22-0x00000000026C0000-0x0000000002855000-memory.dmp

              Filesize

              1.6MB

            • memory/2976-65-0x00000000026C0000-0x0000000002855000-memory.dmp

              Filesize

              1.6MB

            • memory/2976-25-0x00000000026C0000-0x0000000002855000-memory.dmp

              Filesize

              1.6MB