Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 08:47

General

  • Target

    .exe

  • Size

    2.2MB

  • MD5

    b01a11449dd83a10497833b23fb0887d

  • SHA1

    8f5276ee02a5b4b23cb7e9d500dd0df71382e211

  • SHA256

    9b165f6672e74ed5dc437040829bd602afc411ce8c948c41b6d739bf1fbfb09a

  • SHA512

    cf3634a8253c439d54233162db10b9668f080e184e4e1b52aae60db303e89d2ca9fead16097937a871d54685592b1b58e389d481b94f6c261d5caec98223ec81

  • SSDEEP

    24576:ZFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyz/Iila8CJn0BgtscdTtOOa9pfthIDdsRQ:ZREXSVMDi350aFJqciOa925sRtMZ

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 4 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 6 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\.exe
    "C:\Users\Admin\AppData\Local\Temp\.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:2756
    • C:\Users\Admin\AppData\Local\Temp\3582-490\.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1512
      • 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:2732
      • C:\Users\Admin\AppData\Local\Temp\3582-490\HD_.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\HD_.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4912
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:3404
    • 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:1060
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240618515.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1132

    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:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe

      Filesize

      4.5MB

      MD5

      073d630ea81c53f18796062b1c667152

      SHA1

      ff308bc904553637168648f88919c8bfc0f1037a

      SHA256

      d622a541c7043b2244728fad4b550969d19b9a9797571b8411843abc5cdb672c

      SHA512

      60d42ca073162d5d3188e500a6e798ac1934462885f796cf1c70a75c4cc396aacf6d71892595cdfdc0e1d4f8c665e0b9f1e09112cd97e42718aefa369d3618a2

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

      Filesize

      2.1MB

      MD5

      3e1b9039148d196063ab784e4548e798

      SHA1

      bb8c6ddf201aa6f3a23649fc7d206f6471f4f024

      SHA256

      c96306e907e6532cb82ae4d410a5ca72fd19955e28d4c209f7b2495da9925b88

      SHA512

      39c121a7bdb91074aac4af762cdb824d7bb78c71ac1bb4acf500293afb35e92dc49da65d91646ebbf03ae31d2428ac07409139e76bfef37c2451bc0c313af6c4

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

      Filesize

      896KB

      MD5

      8bacad1c57463f2e403ca5656ffa129e

      SHA1

      7cd8041fb1bd703d31f778700813531ed43882da

      SHA256

      bdec97ee615088549771300bd65d6114a74dd0a4c1ecc6bb4ffc8ac484f19fac

      SHA512

      40a5a0cabd2561b2d32ec14e91172db6f812d0e2dcc6cfda3a2f458e0994fc387324212bd47f21acb6d05bed151a96ad444a0a5a7f7bb35ae6fd0dcd57d25d64

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240618515.bat

      Filesize

      51KB

      MD5

      c3ac037ec51ccd9a87f3d5afe5d05a67

      SHA1

      b1f30d835f72992856597d3bfef4b595cac30162

      SHA256

      4f4f63931c808d8dc3f58b5396d67f9a86e6c19342c4b6557b30a8c95128d42b

      SHA512

      e9d3d20353a488f5a4f4df6d0207069bc8c92f6849a3ac64ef2964f8bd8ae62128c1e24c36f8475918f045e7f8cfdcad2be21004f3c44717aa554fc77ea177b6

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/2756-130-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2756-131-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2756-133-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB