Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 02:24

General

  • Target

    432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe

  • Size

    2.3MB

  • MD5

    3661801094ece049030d74f100a62a7d

  • SHA1

    be2ad7cb68f836ed2eb7904d84a736b7bdfff46f

  • SHA256

    432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf

  • SHA512

    72659287e7fc1c22ce7a3d7e8bae4121395cd32f1553069fadb2c80badea58a5ec80a18a5915ba38858bdf829524748bdf5eacdf2f289565dbd60a26f50757bb

  • SSDEEP

    24576:YFbkIsaPiXSVnC7Yp9zkNmZG8RRln4yz1Iila8CUpDPkebAeppIg1QR0zKWs6c8u:YREXSVMDi3C0aFUF/pRzK9ihFlkZ

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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.

  • Gh0strat family
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe
    "C:\Users\Admin\AppData\Local\Temp\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3904
      • C:\Users\Admin\AppData\Local\Temp\look2.exe
        C:\Users\Admin\AppData\Local\Temp\\look2.exe
        3⤵
        • Server Software Component: Terminal Services DLL
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:1708
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:4876
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240628250.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe

      Filesize

      2.2MB

      MD5

      70e7fc95995215806697e6f7464ae162

      SHA1

      66630fe8d91d87420d75175ae377e502002b8532

      SHA256

      b509ede47c7f127da5e1e9124aea85a41f6279bc5a97d17e4f4cfc6873dc3b67

      SHA512

      7b4e35420d531a768d67780ddd771c1f9ca6a9e2106a5f42ed644edbf151e7a88db9a55cd7d23012a27d74f07bc1ce8114307cf7f8abf883a399298271fa0c45

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240628250.bat

      Filesize

      51KB

      MD5

      957a1b495dfa8052c1141b66f0a0a9af

      SHA1

      0e80dd94cd835cff7ee13691dae1e99ab3f7f046

      SHA256

      97eddaec3023dfff7c041859b3967cb2cfeabf4bf04186e83864fe11e05ac4aa

      SHA512

      8b9111e33d956a3e5cb99353995b8bf50f304c72803509b98af889cdb83a66107ee59b7c5133d695a52b298212f8136a1bfa8a7d94722aecc395d7b1ee47015f

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1644-112-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1644-113-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1644-115-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB