Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:07

General

  • Target

    7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe

  • Size

    12.9MB

  • MD5

    f57575642e162b812721afe083ee8398

  • SHA1

    81848911863bed5e2a1cabe5193aed071cd5910d

  • SHA256

    7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8

  • SHA512

    fac0036f6206d12ca78ec8f5673c433cd9ceb7c7bb4bff7d0300e355bdf4d0f92bd0437abe33e0b53ac3bfab8df2c6219dda3258f79ac744d47b24f28b2ab61b

  • SSDEEP

    196608:b75bAxEXHYN8r1j8Uu3glpFRX9eDo0TSrow3P9R+EwVEzufFb:f5bAxEXtZoj3wRtWoHl3P7teE6b

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
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe
    "C:\Users\Admin\AppData\Local\Temp\7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1692
    • 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:2980
    • C:\Users\Admin\AppData\Local\Temp\HD_7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe
      C:\Users\Admin\AppData\Local\Temp\HD_7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2732
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2568
    • 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:2604
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259401145.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2456

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.1MB

      MD5

      717e21730e7525de63936921a47cc13b

      SHA1

      5e3150d99a6cf55fa3d821478dce1cf91417fbe9

      SHA256

      0445c20e6fc89ca6fb8e31df69509d26e711d585a75e6ed02b3e6dbf22e6c668

      SHA512

      f6c1cfbb6e3ee88cf9ff11f342279abab650709da60aad5011602441c27711870c84b2607b718c224926ff7de2d99534192088df511bd9fcdda0849563b55888

    • \Users\Admin\AppData\Local\Temp\HD_7d553f225dc9bd6a31d4f1c36a1531dc5cbce295bab80a5857420beff2cf54e8.exe

      Filesize

      11.8MB

      MD5

      254b45ec5f99503435f9bfb72422ec42

      SHA1

      66190834d2fbad2b0ce5cda7fa3682090008723a

      SHA256

      490b2a587f73db5f8ff00102b50f5dde552c5533632a2610a5fe01326ae79767

      SHA512

      1aeccd7b9963b28f287bb173e9f157f9753c2acb15316e213d8ff043ef86b4a0fdccce5e413ab3556b26bd1d1f2d5419a1db50d545e26d0acb13e92a525d9a05

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259401145.bat

      Filesize

      51KB

      MD5

      be6d888fc60f2e13c886948e07baeaf7

      SHA1

      3da6d5a30740b5e0a33ceb2f4d70baa9fb171f88

      SHA256

      d4efdc645fd63d46cc28ee9e2b2541bbc9f2f2b55773105944e3ef46e697dd01

      SHA512

      6ff8acb88e79d34b1b1994ac3d09f5a70f660d98460f84ec7c2cf25684ab3f1cfd0f01eeac3f2e76b0ca35be12c3a8a9e2d989c6eae49525af42496dceb7147e

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1692-19-0x00000000023B0000-0x0000000002A8C000-memory.dmp

      Filesize

      6.9MB

    • memory/1692-48-0x00000000023B0000-0x0000000002A8C000-memory.dmp

      Filesize

      6.9MB

    • memory/2732-20-0x0000000000400000-0x0000000000ADC000-memory.dmp

      Filesize

      6.9MB

    • memory/2732-27-0x0000000075900000-0x0000000075901000-memory.dmp

      Filesize

      4KB

    • memory/2732-23-0x0000000077AA0000-0x0000000077AA1000-memory.dmp

      Filesize

      4KB

    • memory/2732-21-0x0000000077AA0000-0x0000000077AA1000-memory.dmp

      Filesize

      4KB

    • memory/2732-49-0x0000000000400000-0x0000000000ADC000-memory.dmp

      Filesize

      6.9MB